NILFS2 - ืึท ื‘ื•ืœืึทื˜ืคึผืจืึธืึธืฃ ื˜ืขืงืข ืกื™ืกื˜ืขื ืคึฟืึทืจ / ื”ื™ื™ื

NILFS2 - ืึท ื‘ื•ืœืึทื˜ืคึผืจืึธืึธืฃ ื˜ืขืงืข ืกื™ืกื˜ืขื ืคึฟืึทืจ / ื”ื™ื™ื

ื•ื•ื™ ืื™ืจ ื•ื•ื™ืกืŸ, ืื•ื™ื‘ ืงืึธื ืคืœื™ืงื˜ ืงืขื ืขืŸ ืคึผืึทืกื™ืจืŸ, ืขืก ื•ื•ืขื˜ ื‘ืืฉื˜ื™ืžื˜ ืคึผืึทืกื™ืจืŸ. ืžื™ืกื˜ืึธืžืข ืึทืœืข ื”ืึธื‘ืŸ ื’ืขื”ืื˜ ืงืึทืกืขืก ื•ื•ืขืŸ ืึท ืคืจื™ืฉ ื•ื•ื™ื›ื˜ื™ืง ื˜ืขืงืข ืื™ื– ืึทืงืกืึทื“ืขื ืึทืœื™ ืื•ื™ืกื’ืขืžืขืงื˜, ืึธื“ืขืจ ื˜ืขืงืกื˜ ืื™ื– ืึทืงืกืึทื“ืขื ืึทืœื™ ืื•ื™ืกื’ืขืงืœื™ื‘ืŸ ืื•ืŸ ื—ืจื•ื‘ึฟ ืื™ืŸ ืึท ื˜ืขืงืกื˜ ืจืขื“ืึทืงื˜ืึธืจ.

ืื•ื™ื‘ ืื™ืจ ื–ืขื ื˜ ืึท ื‘ืึทืœืขื‘ืึธืก ืึธื“ืขืจ ื•ื•ืขื‘ื–ื™ื™ื˜ืœ ื‘ืึทื–ื™ืฆืขืจ, ืื™ืจ ืžื™ืกื˜ืึธืžืข ื”ืึธื‘ืŸ ื’ืขืคึผืœืึธื ื˜ืขืจื˜ ื›ืึทืงื™ื ื’ ืคื•ืŸ ื‘ืึทื ื™ืฆืขืจ ืึทืงืึทื•ื ืฅ ืึธื“ืขืจ ื“ื™ื™ืŸ ื•ื•ืขื‘ื–ื™ื™ื˜ืœ. ืื™ืŸ ืึทื–ืึท ืงืึทืกืขืก, ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ืฆื• ื•ืžืงืขืจืŸ ื“ื™ ืงืจืึทื ืึทืœืึทื“ื–ืฉื™, ื’ืขืคึฟื™ื ืขืŸ ื“ื™ ืคึผืึธื–ื™ืฆื™ืข ืื•ืคึฟืŸ ืื•ืŸ ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื’ืขื ื™ืฆื˜ ื“ื•ืจืš ื“ื™ ืึทื˜ืึทืงืขืจ.

ื“ื™ NILFS2 ื˜ืขืงืข ืกื™ืกื˜ืขื ืื™ื– ื’ืื ืฅ ืคึฟืึทืจ ืกืึทืœื•ื•ื™ื ื’ ืึทื–ืึท ืคึผืจืึธื‘ืœืขืžืก.

ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืคืึธืจืฉื˜ืขืœืŸ ืื™ืŸ ื“ื™ ืœื™ื ื•ืงืก ืงืขืจืŸ ื–ื™ื ื˜ ื•ื•ืขืจืกื™ืข 2.6.30.

ื“ื™ ืคึผื™ืงื™ื•ืœื™ืขืจืึทื˜ื™ ืคื•ืŸ ื“ืขื ื˜ืขืงืข ืกื™ืกื˜ืขื ืื™ื– ืึทื– ืขืก ืื™ื– ืขื ืœืขืš ืฆื• ืึท ื•ื•ืขืจืกื™ืข ืงืึธื ื˜ืจืึธืœ ืกื™ืกื˜ืขื: ืื™ืจ ืงืขื ืขืŸ ืฉื˜ืขื ื“ื™ืง ืฆื•ืจื™ืงืงืจื™ื’ืŸ ื“ื™ ืฉื˜ืึทื˜ ืคื•ืŸ ื“ื™ ืกื™ืกื˜ืขื ืื•ืŸ ืงื•ืง ื•ื•ื™ ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืขื˜ืœืขื›ืข ืžืึธืœ ืฆื•ืจื™ืง.

ืฆื• ืฆื•ืฉื˜ืขืœืŸ ื“ืขื ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™, ืื™ืจ ื˜ืึธืŸ ื ื™ื˜ ื“ืึทืจืคึฟืŸ ืฆื• ืงืึทื ืคื™ื’ื™ืขืจ Cron ืกืงืจื™ืคึผืก, ื ืขืžืขืŸ ืกื ืึทืคึผืฉืึทืฅ, ืขื˜ืง. ื“ื™ NILFS2 ื˜ืขืงืข ืกื™ืกื˜ืขื ื˜ื•ื˜ ื“ืึธืก ืึทืœืข ื–ื™ืš. ืขืก ืงื™ื™ื ืžืึธืœ ืึธื•ื•ื•ืขืจืจื™ื™ืฅ ืึทืœื˜ ื“ืึทื˜ืŸ ืื•ืŸ ืฉื˜ืขื ื“ื™ืง ืฉืจื™ื™ื‘ื˜ ืฆื• ื ื™ื™ึทืข ื’ืขื‘ื™ื˜ืŸ ืคื•ืŸ ื“ื™ ื“ื™ืกืง ืื•ื™ื‘ ืขืก ืื™ื– ื’ืขื ื•ื’ ืคืจื™ื™ ื“ื™ืกืง ืคึผืœืึทืฅ. ืื™ืŸ ืคื•ืœ ืœื•ื™ื˜ ืžื™ื˜ ื“ื™ ืงืึธืคึผื™-ืื•ื™ืฃ-ืฉืจื™ื™ื‘ ืคึผืจื™ื ืฆื™ืคึผ.

ืื™ืŸ ืคืึทืงื˜, ื™ืขื“ืขืจ ืขื ื“ืขืจื•ื ื’ ืื™ืŸ ืึท ื˜ืขืงืข ืงืจื™ื™ื™ืฅ ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ืึท ื ื™ื™ึทืข ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืคื•ืŸ ื“ื™ ื˜ืขืงืข ืกื™ืกื˜ืขื, ืึทื–ื•ื™ ืื™ืจ ืงืขื ืขืŸ ื ื•ืฆืŸ ื“ืขื FS ื•ื•ื™ ืึท ืฆื™ื™ื˜ ืžืึทืฉื™ืŸ ืื•ืŸ ืจื™ื•ื•ื™ื™ื ื“ ื“ื™ ืฉื˜ืึทื˜ ืคื•ืŸ ื˜ืขืงืขืก.

ื’ืขืฉื™ื›ื˜ืข

NILFS2 - ืึท ื‘ื•ืœืึทื˜ืคึผืจืึธืึธืฃ ื˜ืขืงืข ืกื™ืกื˜ืขื ืคึฟืึทืจ / ื”ื™ื™ืNILFS2 ืื™ื– ื“ืขื•ื•ืขืœืึธืคึผืขื“ ืื™ืŸ ื“ื™ ื˜ื™ืคืขื ื™ืฉืŸ ืคื•ืŸ Nippon Telegraph and Telephone Corporation, ืื™ืŸ ืคืึทืงื˜, ื“ื™ ืฉื˜ืึทื˜-ืึธื•ื ื“ (ืขืก ื”ืื˜ ืึท ืงืึทื ื˜ืจืึธื•ืœื™ื ื’ ืคืœืขืงืœ) ืื•ืŸ ื“ื™ ื’ืจืขืกื˜ืข ื˜ืขืœืึทืงืึทืžื™ื•ื ืึทืงื™ื™ืฉืึทื ื– ืคื™ืจืžืข ืื™ืŸ ื™ืึทืคึผืึทืŸ. ืžืขืจ ืกืคึผืึทืกื™ืคื™ืงืœื™, ืื™ืŸ ื“ื™ ืกื™ื™ื‘ืขืจืกืคึผืึทืกืข ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืขืก ืื•ื ื˜ืขืจ ื“ืขืจ ืคื™ืจืขืจืฉืึทืคื˜ Ryusuke Konishi.

ื•ื•ืึธืก ืคึผื•ื ืงื˜ ืขืก ืื™ื– ื“ืขื•ื•ืขืœืึธืคึผืขื“ ืคึฟืึทืจ ืื™ื– ืื•ืžื‘ืึทืงืึทื ื˜, ืึธื‘ืขืจ, ืขืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืื ื’ืขื ื•ืžืขืŸ ืึทื– ืึทื–ืึท ืึท FS, ืžื™ื˜ ื–ื™ื™ืŸ "ืฆื™ื™ื˜ ืžืึทืฉื™ืŸ" ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™, ืื™ื– ื™ื“ืขืึทืœ ืคึฟืึทืจ ืกื˜ืึธืจื™ื ื’ ื“ืึทื˜ืŸ ื•ื•ืึธืก ื“ื™ ืกื™ื™ื›ืœ ื‘ืึทื“ื™ื ื•ื ื’ืก ื–ืืœ ื•ื•ืขืœืŸ ืฆื• ื’ืจืึธื‘ืŸ ืื™ืŸ ืฆื• ืจื™ืคึผืœื™ื™ ื“ื™ ื’ืื ืฆืข ื‘ื™ืœื“ ืคื•ืŸ SMS, ืื™ืžืขื™ืœืก, ืืื–"ื• ื•....

NILFS2 ืื™ื– ืื•ื™ืš ืคึผืึทื˜ืขื ื˜ืฉืึทืœื™ ืึท ื–ื™ื™ืขืจ ื•ื•ืขืจื˜ืคื•ืœ ื’ืขืฆื™ื™ึทื’ ืคึฟืึทืจ ื™ื ืขืจืœืขืš ื–ื™ื›ืขืจื”ื™ื™ื˜ ื‘ืึทื“ื™ื ื•ื ื’ืก, ื•ื•ื™ื™ึทืœ ืขืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืึทืœืข ืื•ื™ืกื’ืขืžืขืงื˜ ืื•ืชื™ื•ืช ืื™ืŸ ื“ื™ ืคึผืึธืกื˜ ื“ืึทื˜ืึทื‘ื™ื™ืก, ืจื™ื•ื•ื™ืœื™ื ื’ ื“ื™ ื“ื–ืฉืึทืžื‘ืก ืคื•ืŸ ืขืžืคึผืœื•ื™ื™ื– ื•ื•ืึธืก ืงืขืŸ ื“ืขืจื ืึธืš ืคึผืจื•ื‘ื™ืจืŸ ืฆื• ืคืึทืจืฉื˜ืขืœื•ื ื’ ื–ื™ื™ ื“ื•ืจืš ื•ื™ืกืžืขืงืŸ ืึธื“ืขืจ ื˜ื•ื™ืฉืŸ ื–ื™ื™ืขืจ ื˜ืขืงืขืก.

ื•ื•ื™ ืงืขื ืขืŸ ืื™ืจ ืฉืคึผื•ืจ ื“ื™ื™ืŸ ื’ืื ืฆืข ืงืึธืจืขืกืคึผืึธื ื“ืขื ืฅ ื’ืขืฉื™ื›ื˜ืข?ืื•ื™ืฃ ืœื™ื ื•ืงืก ืกืขืจื•ื•ืขืจืก (ืื•ืŸ ื“ืึธืก ืื™ื– ื•ื•ื• NILFS2 ื–ืึธืœ ื–ื™ื™ืŸ ืื™ื ืกื˜ืึทืœื™ืจืŸ ืคึฟืึทืจ ื™ื ืขืจืœืขืš ื–ื™ื›ืขืจื”ื™ื™ื˜ ืฆื•ื•ืขืงืŸ), ื“ืขืจ ื˜ืขืงืข ืื•ืคึฟืŸ ืคื•ืŸ ืกื˜ืึธืจื™ื ื’ ื™ืžื™ื™ืœื– ืื™ื– ืึธืคื˜ ื’ืขื ื™ืฆื˜ ืฆื• ืงืจืึธื E- ื‘ืจื™ื•ื• ืึทืจื˜ื™ืงืœืขืŸ. ื“ื™ ืึทื–ื•ื™ ื’ืขืจื•ืคืขื ืข ืคึฟืึธืจืžืึทื˜ Maildir. ื’ืขื ื•ื’ ืฆื• ืฉื˜ืขืœืŸ ืงืขืจื™ืขืจ ืžืขื™ืœ ืกืขืจื•ื•ื™ืจืขืจ ืื•ืŸ ืงืึทื ืคื™ื’ื™ืขืจ ืคึผืึธืกื˜ ืกื˜ืึธืจื™ื“ื–ืฉ ืื™ืŸ Maildir. ืื ื“ืขืจืข ืคึฟืึธืจืžืึทื˜ mbox ืื™ื– ืึท ื’ืจื•ื™ืก ื˜ืขืงืกื˜ ื˜ืขืงืข ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืœื™ื™ื›ื˜ ืคึผืึทืจืกืขื“ ืื™ืŸ ื™ื—ื™ื“ ืึทืจื˜ื™ืงืœืขืŸ.

ืื•ื™ื‘ ื“ืขืจ ืคึผืึธืกื˜ ืกืขืจื•ื•ืขืจ ื ื™ืฆื˜ ืึท ื“ืึทื˜ืึทื‘ื™ื™ืก, NILFS2 ื•ื•ืขื˜ ืžืึทื›ืŸ ืขืก ืžืขื’ืœืขืš ืฆื• ื•ืžืงืขืจืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ื˜ื™ื™ืžื™ื ื’ ืคื•ืŸ ื“ืึทื˜ืึทื‘ื™ื™ืก ืขื ื“ืขืจื•ื ื’ืขืŸ ืื•ืŸ ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ื•ืžืงืขืจืŸ ื“ื™ ื“ืึทื˜ืึทื‘ื™ื™ืก ืื™ืŸ ืงื™ื™ืŸ ืคื•ืŸ ื“ื™ ืžืึธื•ืžืึทื ืฅ. ืื•ืŸ ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื ื•ืฆืŸ ื“ื™ื™ื˜ืึทื‘ื™ื™ืก ืžื›ืฉื™ืจื™ื ืฆื• ื–ืขืŸ ื•ื•ืึธืก ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืื™ืŸ ื“ืขื ืคื•ื ื˜ ืื™ืŸ ืฆื™ื™ื˜ ...

ืึธื‘ืขืจ, ืขืคึผืขืก ืื™ื– ืคืึทืœืฉ. ืึธื“ืขืจ ื“ื™ ื™ืึทืคึผืึทื ื™ืฉ ืจืขื’ื™ืจื•ื ื’ ื”ืึธื˜ ื’ืขื‘ื™ื˜ืŸ ืื™ืจ ืžื™ื™ื ื•ื ื’ ื•ื•ืขื’ืŸ ืžืึธื ื™ื˜ืึธืจื™ื ื’ ืึทืœืขืžืขืŸ (ืึท ืœืึท ื“ื™ ื™ืึทืจืึธื•ื•ื™ื™ึทืึท ืคึผืจื™ื ืฆื™ืคึผ), ืึธื“ืขืจ ื“ื™ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืคื•ืŸ NILFS2 ืื•ื™ืฃ ื˜ืจืื“ื™ืฆื™ืื ืขืœืŸ ื”ื“ื“ ืก ืื™ื– ื’ืขื•ื•ืขืŸ ืื•ื ื˜ืขืจ ืคึผืึทืจ, ืื•ืŸ NILFS2 ืื™ื– ื‘ืืคืจื™ื™ื˜ ืื•ื ื˜ืขืจ ื“ื™ GPL ื“ืขืจืœื•ื™ื‘ืขื ื™ืฉ ืื•ืŸ ื–ื™ื™ืขืจ ื’ืขืฉื•ื•ื™ื ื“ ืืจื™ื™ืŸ ื“ื™ ืœื™ื ื•ืงืก ืงืขืจืŸ, ื–ื™ื ื˜ ืขืก ื–ืขื ืขืŸ ื’ืขื•ื•ืขืŸ ืงื™ื™ืŸ ื‘ืึทื–ื•ื ื“ืขืจ ื˜ืขื ื•ืช ื•ื•ืขื’ืŸ ื“ืขื ืงืึธื“ ื’ืขืฉืจื™ื‘ืŸ ื”ืขื›ืกื˜ ืงื•ื•ืึทืœืึทืคื™ื™ื“ ื™ืึทืคึผืึทื ื™ืฉ, ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขืจืก ืคื•ืŸ ื“ื™ ืœื™ื ื•ืงืก ืงืขืจืŸ ื”ืื˜ ื ื™ืฉื˜ ื”ืึธื‘ืŸ ืขืก.

ื•ื•ื™ ืื™ื– NILFS2?

ืคึฟื•ืŸ ืึท ื‘ืึทื ื™ืฅ ืคื•ื ื˜ ืคื•ืŸ ืžื™ื™ื ื•ื ื’: ืื•ื™ืฃ ืึท ื•ื•ืขืจืกื™ืข ืงืึธื ื˜ืจืึธืœ ืกื™ืกื˜ืขื ืกื•ื•ืŸ. ื™ืขื“ืขืจ FS ื˜ืฉืขืงืคึผื•ื™ื ื˜ ืื™ื– ืึท ืงืึทืžื™ื˜ ื•ื•ืึธืก ืื™ื– ื’ืขืžืื›ื˜ ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ืึธืŸ ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ืก ื•ื•ื™ืกืŸ ื•ื•ืขืŸ ืขืก ืื™ื– ืงื™ื™ืŸ ืขื ื“ืขืจื•ื ื’: ืฆื™ ืขืก ืื™ื– ื“ื™ืœื™ืฉืึทืŸ, ื˜ืฉืึทื ื’ื™ื ื’ ื“ื™ ืื™ื ื”ืึทืœื˜ ืคื•ืŸ ืึท ื˜ืขืงืข ืึธื“ืขืจ ื˜ืฉืึทื ื’ื™ื ื’ ืึทืงืกืขืก ืจืขื›ื˜. ื™ืขื“ืขืจ ืงืึทืžื™ื˜ ื”ืื˜ ืึท ื ื•ืžืขืจ ื•ื•ืึธืก ื™ื ืงืจื™ืกื™ื– ืœื™ื ืขืึทืจืœื™.

ืคื•ืŸ ืึท ืคึผืจืึธื’ืจืึทืžื™ืกื˜ ืก ืคื•ื ื˜ ืคื•ืŸ ืžื™ื™ื ื•ื ื’: ืึท ืงื™ื™ึทืœืขื›ื™ืง ื‘ืึทืคืขืจ. ื“ืขืจ ื˜ืขืงืข ืกื™ืกื˜ืขื ืึทืงื™ื•ืžื™ืึทืœื™ื™ืฅ ืขื ื“ืขืจื•ื ื’ืขืŸ ืื•ืŸ ืฉืจื™ื™ื‘ื˜ ื–ื™ื™ ืื™ืŸ ืึท ืฉื˜ื™ืง ื’ืœื™ื™ืš ืฆื• ื‘ืขืขืจืขืš 8 ืžืขื’ืื‘ื™ื™ื˜ืŸ (2000 * 4096, ื•ื•ื• 2000 ืื™ื– ื“ื™ ื ื•ืžืขืจ ืคื•ืŸ ืขืœืขืžืขื ื˜ืŸ ืื™ืŸ ื“ื™ ื‘ืœืึธืง ืื•ืŸ 4096 ืื™ื– ื“ื™ ื’ืจื™ื™ืก ืคื•ืŸ ื“ืขื ื–ื›ึผืจื•ืŸ ื‘ืœืึทื˜). ื“ืขืจ ื’ืื ืฆืขืจ ื“ื™ืกืง ืื™ื– ืฆืขื˜ื™ื™ืœื˜ ืื™ืŸ ืึทื–ืึท ืฉื˜ื™ืงืขืจ. ื“ื™ ืจืขืงืึธืจื“ื™ื ื’ ืœื™ื™ื–ื•ื ื’ ืกืึทืงื•ื•ืขื ื˜ืฉืึทืœื™. ื•ื•ืขืŸ ืคืจื™ื™ ืคึผืœืึทืฅ ืœื•ื™ืคื˜ ืื•ื™ืก, ื“ื™ ืึธื•ืœื“ืึทืกื˜ ืกื ืึทืคึผืฉืึทืฅ ื–ืขื ืขืŸ ืื•ื™ืกื’ืขืžืขืงื˜ ืื•ืŸ ื“ื™ ื˜ืฉืึทื ื’ืงืก ื–ืขื ืขืŸ ืึธื•ื•ื•ืขืจืจื™ื˜ืึทืŸ.

ื™ืงืขืจื“ื™ืง NILFS2 ื’ื•ื“ื™ื–

  • ื•ื•ืขืจืกื™ืข!!!
  • ื“ืขืจ ืคึผืจืึธืฆืขื“ื•ืจ ืคึฟืึทืจ ืจื™ืกื˜ืึธืจื™ื ื’ ืึท ื˜ืขืงืข ืกื™ืกื˜ืขื ื ืึธืš ืึท ื“ื•ืจื›ืคืึทืœ ืื™ื– ืคึผืฉื•ื˜: ื•ื•ืขืŸ ืœืึธื•ื“ื™ื ื’, ื“ื™ ืœืขืฆื˜ืข ืฉื˜ื™ืง ืžื™ื˜ ื“ื™ ืจื™ื›ื˜ื™ืง ื˜ืฉืขืงืกื•ื ืื™ื– ื’ืขื–ื•ื›ื˜, ืื•ืŸ ืึท ืกื•ืคึผืขืจื‘ืœืึธืงืง ืื™ื– ืื™ื ืกื˜ืึทืœื™ืจืŸ ืื•ื™ืฃ ืขืก. ื“ืึธืก ืื™ื– ืึท ื›ึผืžืขื˜ ืจืขื’ืข ืึธืคึผืขืจืึทืฆื™ืข.
  • ืจืขื›ื˜ ืฆื• ื“ืขื ืคืึทืงื˜ ืึทื– ืจืขืงืึธืจื“ื™ื ื’ ืฉื˜ืขื ื“ื™ืง ืœื™ื™ื–ื•ื ื’ ืœื™ื ืขืึทืจืœื™, ื“ืขืžืึธืœื˜:
    • ืงืขื ืขืŸ ื•ื•ื™ื™ึทื–ืŸ ื’ื•ื˜ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ื•ื•ืขืŸ ืคืœื™ืกื ื“ื™ืง ืื•ื™ืฃ ืึท SSD ืžื™ื˜ ืคึผืึทืžืขืœืขืš ืจืึทื ื“ืึธื ืฉืจื™ื™ื‘ื˜.
    • NILFS2 ืกืึทื•ื•ืขืก ืกืกื“ ืžื™ื˜ืœ, ื•ื•ื™ื™ึทืœ ืขืก ืื™ื– ื›ึผืžืขื˜ ืงื™ื™ืŸ ืฉืจื™ื™ึทื‘ืŸ ืงื™ื™ืคืœ ืคืึทืงื˜ืึธืจ.
      ืžืขืจ ื’ืขื ื•ื™, ืขืก ืื™ื– ื ื™ื˜ ืžืขืจ ื•ื•ื™ 2.ื“ืขืจ ืคืึทืงื˜ ืื™ื– ืึทื– ื•ื•ืขืŸ ืกื™ืงืœื™ืงืœื™ ืจื™ืจื™ื™ื˜ื™ื ื’ ื“ื™ ื’ืื ืฆืข ื“ื™ืกืง, NILFS2 ื•ื•ืขื˜ ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืึทื ื˜ืฉื™ื™ื ื“ื–ืฉื“ ื“ืึทื˜ืŸ ืฆื• ื ื™ื™ึทืข ื‘ืจืขืงืœืขืš (ื˜ืฉืึทื ื’ืงืก).

      ืื•ื™ื‘ ืžื™ืจ ื”ืึธื‘ืŸ 10% ืคื•ืŸ ืึทื ื˜ืฉื™ื™ื ื“ื–ืฉื“ ื“ืึทื˜ืŸ ืื•ื™ืฃ ื“ืขื ื“ื™ืกืง, ืžื™ืจ ื•ื•ืขืœืŸ ื‘ืึทืงื•ืžืขืŸ ืึท 10% ืฉืจื™ื™ึทื‘ืŸ ืคืึทืจื’ืจืขืกืขืจืŸ ืžื™ื˜ 1 ื’ืึทื ืฅ ืจื™ืจื™ื™ื˜. ื ื•, ืึท 50% ืคืึทืจื’ืจืขืกืขืจืŸ ืื™ืŸ 50% ืคื•ืœืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ืžื™ื˜ืœ ืคึฟืึทืจ 1 ื’ืึทื ืฅ ืจื™ืจื™ื™ื˜ ืคื•ืŸ ื“ื™ ื“ื™ืกืง.

      ื“ื™ ืžืึทืงืกื™ืžื•ื ืฉืจื™ื™ึทื‘ืŸ ื’ืขื•ื•ื™ื ืก ืื™ื– 2. ื“ืึธืก ืื™ื– ื–ื™ื™ืขืจ ื ื™ื“ืขืจื™ืง ืงืึทื ืกื™ื“ืขืจื™ื ื’ ืึทื– ืึทืœืฅ ืื™ื– ื’ืขืฉืจื™ื‘ืŸ ืกืึทืงื•ื•ืขื ื˜ืฉืึทืœื™. ืื™ืŸ ืึทืœื’ืขืžื™ื™ืŸ, ื“ื™ ืฉืจื™ื™ึทื‘ืŸ ืึทื ืึทืžื™ื™ืฉืึทืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื•ื•ื™ื™ื ื™ืงืขืจ ื•ื•ื™ ืึทื– ืคื•ืŸ ืึท ืงืึทื ื•ื•ืขื ืฉืึทื ืึทืœ ืคืจืึทื’ืžืึทื ื˜ื™ื“ ื˜ืขืงืข ืกื™ืกื˜ืขื ืžื™ื˜ ืึท 4096-ื‘ื™ื˜ืข ืกืขืงื˜ืึธืจ. (ื’ืขื“ืึทื ืง ื™ื ืกืคึผื™ื™ืขืจื“ ื“ื•ืจืš ื‘ืึทืžืขืจืงื•ื ื’).

  • ืคึผืึธื˜ืขื ืฆื™ืขืœ ื™ื– ืคื•ืŸ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ืจืขืคึผืœืึทืงื™ื™ืฉืึทืŸ ืฆื• ืึท ื•ื•ื™ื™ึทื˜ NILFS2 FS

NILFS2 ืคึฟืึทืจ / ื”ื™ื™ื

ืื™ืŸ ื™ื•ื ื™ืงืก-ื•ื•ื™ ืึธืคึผืขืจื™ื™ื˜ื™ื ื’ ืกื™ืกื˜ืขืžืขืŸ, ื•ื•ื™ ืึท ื”ืขืจืฉืŸ, ืขืก ืื™ื– ืึท / ื”ื™ื™ื ื˜ืขืงืข ืื™ืŸ ื•ื•ืึธืก ื‘ืึทื ื™ืฆืขืจ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ืกื˜ืึธืจื“. ืคืึทืจืฉื™ื“ืŸ ืžื’ื™ืœื” ืจืึทื˜ืขื•ื•ืขืŸ ื–ื™ื™ืขืจ ื‘ืึทื ื™ืฆืขืจ-ืกืคึผืขืฆื™ืคื™ืฉ ืกืขื˜ื˜ื™ื ื’ืก ืื™ืŸ ื“ืขื ื˜ืขืงืข.

ืื•ืŸ ื•ื•ืขืจ, ืื•ื™ื‘ ื ื™ืฉื˜ ื•ืกืขืจืก, ืžืื›ื˜ ืžื™ืกื˜ื™ื™ืงืก ืจื•ื‘ึฟ ืึธืคื˜? ื“ืขืจื™ื‘ืขืจ, ื•ื•ื™ ื–ื™ื™ ื–ืึธื’ืŸ, ื’ืึธื˜ ื–ื™ืš ื‘ืืคื•ื™ืœืŸ ื“ื™ ื ื•ืฆืŸ ืคื•ืŸ NILFS2 ืื•ื™ืฃ / ื”ื™ื™ื.

ื“ืขืจืฆื•, ืžื™ื˜ ื“ื™ ื•ื•ื™ื™ื“ืกืคึผืจืขื“ ื ื•ืฆืŸ ืคื•ืŸ SSDs, ืžื™ืจ ืื™ืฆื˜ ื ื™ื˜ ืžืขืจ ื”ืึธื‘ืŸ ืฆื• ื–ืึธืจื’ ื•ื•ืขื’ืŸ ืฉื˜ืจืขื ื’ ื“ืจืึทื•ื•ื“ืึทื•ื ื– ื•ื•ืขืŸ ื ื™ืฆืŸ CoW ื˜ืขืงืข ืกื™ืกื˜ืขืžืขืŸ.

ื™ืึธ, ืžื™ืจ ืงืขื ืขืŸ ืžืึทื›ืŸ FS ืกื ืึทืคึผืฉืึทืฅ ื•ื•ื™ ืึธืคื˜ ื•ื•ื™ ืžื™ืจ ื•ื•ื™ ืื™ืŸ ZFS ืื•ืŸ BTRFS, ืึธื‘ืขืจ ืขืก ืื™ื– ืฉื˜ืขื ื“ื™ืง ืึท ืจื™ื–ื™ืงื™ืจืŸ ืึทื– ืึท ืคืึทืจืคืึทืœืŸ ื˜ืขืงืข ืขื ื“ืขืจื•ื ื’ ื•ื•ืขื˜ ืขื ื“ื™ืงืŸ ืฆื•ื•ื™ืฉืŸ ื“ื™ ืกื ืึทืคึผืฉืึทืฅ. ืื•ืŸ ื“ื™ ื‘ื™ืœื“ืขืจ ื“ืึทืจืฃ ืžืขืŸ ื ืึธืš ืคึฟืึทืจืžื™ื ืขืจืŸ: ืึทืœื˜ืข ื“ืึทืจืฃ ืžืขืŸ ืื•ื™ืกืžืขืงืŸ. ืื™ืŸ NILFS2, ืึทืœืข ื“ืขื ื›ืึทืคึผืึทื ื– ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ, ืžืžืฉ ื™ืขื“ืขืจ ื‘ื™ืกืœ ืกืขืงื•ื ื“ืขืก.

ืื™ืš ื‘ืืฉืืคืŸ ืึท ืœืึทื“ื–ืฉื™ืงืึทืœ ื‘ืึทื ื“ ืžื™ื˜ lvcreate (ืื™ืŸ ื“ื™ nvme ื‘ืึทื ื“ ื’ืจื•ืคึผืข, ื“ื™ืŸ ื‘ืขืงืŸ ื“ื™ืŸ). ืื™ืš ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืฆื• ืฉืึทืคึฟืŸ ืขืก ืื•ื™ืฃ ื“ื™ lvm ื‘ืึทื ื“, ื•ื•ื™ื™ึทืœ ืขืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืœื™ื™ื›ื˜ ื™ืงืกืคึผืึทื ื“ื™ื“ ืฉืคึผืขื˜ืขืจ. ืื™ืš ืจืขืงืึธืžืขื ื“ื™ืจืŸ ืฆื• ื”ืึธื‘ืŸ 50% ืคืจื™ื™ ื“ื™ืกืง ืคึผืœืึทืฅ ืžื™ื˜ NILFS2 ืคึฟืึทืจ ืœื™ื™ึทื˜ื™ืฉ ื•ื•ืขืจืกื™ืข ื˜ื™ืคืงื™ื™ึทื˜.

lvcreate -V10G -T nvme/thin -n home

ืื•ืŸ ืคืึธืจืžืึทื˜ื˜ืขื“ ืขืก ืื™ืŸ NILFS2:

mkfs.nilfs2 -L nvme_home /dev/nvme/home

mkfs.nilfs2 (nilfs-utils 2.1.5)
Start writing file system initial data to the device
      Blocksize:4096  Device:/dev/nvme/home1  Device Size:10737418240
File system initialization succeeded !!

ื ืึธืš ื“ืขื, ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื ืึธื›ืžืึทื›ืŸ ืึทืœืข ื“ืึทื˜ืŸ ืคื•ืŸ ื“ื™ ืงืจืึทื ื˜ / ื”ื™ื™ื.

ืื™ืš ื”ืึธื‘ ื“ืึธืก ื’ืœื™ื™ืš ื ืึธืš ื‘ื•ื˜ื™ื ื’ ื“ื™ ืงืึธืžืคึผื™ื•ื˜ืขืจ, ืื™ื™ื“ืขืจ ืœืึธื’ื™ื ื’ ืื™ืŸ ืžื™ื™ืŸ ื—ืฉื‘ื•ืŸ, ื•ื•ื™ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ. ืื•ื™ื‘ ืื™ืš ื•ื•ืึธืœื˜ ืงืœืึธืฅ ืื™ืŸ ื•ื•ื™ ืžื™ื™ืŸ ื‘ืึทื ื™ืฆืขืจ, ืขื˜ืœืขื›ืข ืžื’ื™ืœื” ื•ื•ืึธืœื˜ ืขืคืขื ืขืŸ ืกืึทืงืึทืฅ ืื•ืŸ ื˜ืขืงืขืก ืื™ืŸ ืžื™ื™ืŸ ื‘ืึทื ื™ืฆืขืจ 'ืก / ื”ื™ื™ื / ื‘ืึทื ื™ืฆืขืจ ื˜ืขืงืข, ื•ื•ืึธืก ื•ื•ืึธืœื˜ ืžืึทื›ืŸ ืึท ืจื™ื™ืŸ ืงืึธืคึผื™ืข ืฉื•ื•ืขืจ. ื•ื•ื™ ืื™ืจ ื•ื•ื™ืกืŸ, ื“ืขืจ ื”ื™ื™ื ื˜ืขืงืข ืคึฟืึทืจ ื“ืขืจ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ ืื™ื– ื™ื•ื–ืฉืึทื•ื•ืึทืœื™ ืœื™ื’ืŸ ืื•ื™ืฃ ื“ื™ / ื•ื•ืึธืจืฆืœ ื“ืจืš, ืึทื–ื•ื™ ืงื™ื™ืŸ ื˜ืขืงืขืก ื•ื•ืขื˜ ื–ื™ื™ืŸ ืขืคึฟืขื ืขืŸ ืื•ื™ืฃ ื“ื™ / ื”ื™ื™ื ืฆืขื˜ื™ื™ืœื•ื ื’.

mkdir /mnt/newhome
mount -t nilfs2 /dev/nvme/home /mnt/newhome
cp -a /home/. /mnt/newhome

ืคึฟืึทืจ ื“ื™ ืœืขืฆื˜ืข ืฉื•ืจื”, ื–ืขืŸ ืึทืจื˜ื™ืงืœ.

ื•ื•ื™ื™ึทื˜ืขืจ ืžื™ืจ ืจืขื“ืึทื’ื™ืจืŸ /etc/fstab, ืื™ืŸ ื•ื•ืึธืก ื“ื™ ื˜ืขืงืข ืกื™ืกื˜ืขื ืคึฟืึทืจ /home ืื™ื– ืžืึธื•ื ื˜ืขื“, ืฆื•

/dev/disk/by-label/nvme_home /home nilfs2    noatime 0 0

ืึธืคึผืฆื™ืข noatime ื“ืืจืฃ ืฆื• ืคึฟืึทืจื‘ืขืกืขืจืŸ ืคืึธืจืฉื˜ืขืœื•ื ื’ ืึทื–ื•ื™ ืึทื– ื“ื™ ืฆื™ื™ื˜ ืงืขืŸ ื ื™ืฉื˜ ื˜ื•ื™ืฉืŸ ืžื™ื˜ ื™ืขื“ืขืจ ื˜ืขืงืข ืึทืงืกืขืก. ื•ื•ื™ื™ึทื˜ืขืจ ืžื™ืจ ืจืขื‘ืึธืึธื˜.

ื˜ื™ื™ืคึผืก ืคื•ืŸ ื‘ื™ืœื“ืขืจ ืื™ืŸ NILFS2.

ื ืจืขื’ื•ืœืขืจ ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืึธืŸ ื™ืžื™ื•ื ืึทื˜ื™ ืฆื• ื“ื™ืœื™ืฉืึทืŸ ืื™ื– ื’ืขืจื•ืคืŸ ืึท ื˜ืฉืขืงืคึผื•ื™ื ื˜ ืึธื“ืขืจ ืึธืคึผื–ื•ืš ืคื•ื ื˜.
ื ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืคึผืจืึธื˜ืขืงื˜ืขื“ ืคื•ืŸ ืึทื•ื˜ืึธ-ื“ื™ืœื™ืฉืึทืŸ ืื™ื– ื’ืขืจื•ืคืŸ ืึท ืžืึธืžืขื ื˜ื‘ื™ืœื“, ื“ืขืžืึธืœื˜ ืคืฉื•ื˜ ืึท ืžืึธืžืขื ื˜ื‘ื™ืœื“.

ื•ื•ื™ื•ื™ื ื’ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ืื™ื– ื“ื•ืจื›ื’ืขืงืึธื›ื˜ ืžื™ื˜ ื“ื™ lscp ื‘ืึทืคึฟืขืœ

View ืกื ืึทืคึผืฉืึทืฅ lscp -s

ืžื™ืจ ืงืขื ืขืŸ ืžืึทื›ืŸ ืกื ืึทืคึผืฉืึทืฅ ืื•ืŸ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ื–ื™ืš ืื™ืŸ ืงื™ื™ืŸ ืฆื™ื™ื˜ ื ื™ืฆืŸ:

mkcp [-s] ัƒัั‚ั€ะพะนัั‚ะฒะพ

ืžื™ืจ ื•ืžืงืขืจืŸ ื“ืึทื˜ืŸ.

NILFS ืึทืœืึทื•ื– ืื•ื ื“ื– ืฆื• ืึธื ืงืœืึทืคึผืŸ ื•ื•ื™ ืคื™ืœืข ืึทืœื˜ ืกื ืึทืคึผืฉืึทืฅ ื•ื•ื™ ืžื™ืจ ื•ื•ื™ืœืŸ ืื™ืŸ ืคึผืึทืจืึทืœืขืœ ืžื™ื˜ ืืจื‘ืขื˜ืŸ ืžื™ื˜ ื“ื™ ื”ื•ื™ืคึผื˜ FS ืฆื•ื•ื™ื™ึทื’. ืื‘ืขืจ ื‘ืœื•ื™ื– ืื™ืŸ ืœื™ื™ืขื ืขืŸ ืžืึธื“ืข.

ืึทืœืฅ ืื™ื– ืขืจื™ื™ื ื“ื–ืฉื“ ืึทื–ื•ื™. ืจืขื’ื•ืœืขืจ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ืึทื– NILFS2 ืžืื›ื˜ ืงืขื ืขืŸ ื•ื•ืขืจืŸ ืื•ื™ื˜ืึธืžืึทื˜ื™ืฉ ืื•ื™ืกื’ืขืžืขืงื˜ ืื™ืŸ ืงื™ื™ืŸ ืฆื™ื™ื˜ (ื•ื•ืขืŸ ื“ื™ืกืง ืคึผืœืึทืฅ ืœื•ื™ืคื˜ ืื•ื™ืก ืึธื“ืขืจ ืœื•ื™ื˜ ื“ื™ nilfs_cleanerd ื›ึผืœืœื™ื), ืึทื–ื•ื™ ืื™ื™ื“ืขืจ ื™ื™ึทื ืžืึธื ื˜ื™ืจื•ื ื’ ืžื™ืจ ืžื•ื–ืŸ ื’ืขืจ ื“ื™ ื˜ืฉืขืงืคึผื•ื™ื ื˜ ืื™ืŸ ืึท ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืึธื“ืขืจ, ืื™ืŸ ืจื•ืกื™ืฉ ื’ืขืจืขื“ื˜, ื›ืึทืคึผืŸ ื“ื™ ืžืึธืžืขื ื˜ื‘ื™ืœื“.

chcp ss ะฝะพะผะตั€_ั‡ะตะบะฟะพะธะฝั‚ะฐ

ื ืึธืš ื“ืขื, ืžื™ืจ ืงืขื ืขืŸ ืึธื ืงืœืึทืคึผืŸ ื“ื™ ืžืึธืžืขื ื˜ื‘ื™ืœื“, ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื•ื•ื™ ื“ืึธืก:

mount -t nilfs2 -r -o cp=ะฝะพะผะตั€_ั‡ะตะบะฟะพะธะฝั‚ะฐ /dev/nvme/home /mnt/nilfs/ะฝะพะผะตั€_ั‡ะตะบะฟะพะธะฝั‚ะฐ

ื ืึธืš ื•ื•ืึธืก ืžื™ืจ ื ืึธื›ืžืึทื›ืŸ ื“ื™ ื’ืขื–ื•ื ื˜ ื˜ืขืงืขืก ืคื•ืŸ ื“ื™ ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืฆื• / ื”ื™ื™ื.
ืื•ืŸ ื“ืขืจื ืึธืš ืžื™ืจ ื‘ืึทื–ื™ื™ึทื˜ื™ืงืŸ ื“ื™ ื ื™ื˜-ื“ื™ืœื™ืฉืึทืŸ ืคืึธืŸ ืคื•ืŸ ื“ื™ ืžืึธืžืขื ื˜ื‘ื™ืœื“ ืึทื–ื•ื™ ืึทื– ืื™ืŸ ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜ ื“ื™ ืึธื˜ืึทืžืึทื˜ื™ืง ืžื™ืกื˜ ืงืึทืœืขืงื˜ืขืจ ืงืขื ืขืŸ ื‘ืึทื–ื™ื™ึทื˜ื™ืงืŸ ืึทื•ื˜ื“ื™ื™ื˜ื™ื“ ื“ืึทื˜ืŸ:

chcp cp ะฝะพะผะตั€_ั‡ะตะบะฟะพะธะฝั‚ะฐ

ื™ื•ื˜ื™ืœืึทื˜ื™ื– ืคึฟืึทืจ NILFS2

ืื‘ืขืจ ื“ืืก ืื™ื– ื“ื™ ืคืจืื‘ืœืขื. ื™ืึธ, ืคื•ืŸ ืงื•ืจืก, ืžื™ืจ ืงืขื ืขืŸ ืžืึทื›ืŸ ืึท ื˜ืขืงืข ืกื™ืกื˜ืขื, ื˜ื•ื™ืฉืŸ ื“ื™ ื’ืจื™ื™ืก ืึธื ืœื™ื™ืŸ, ื–ืขืŸ ื“ื™ ืจืฉื™ืžื” ืคื•ืŸ ื˜ืฉืึทืœืึทื ื“ื–ืฉื™ื–, ืฉืึทืคึฟืŸ ืื•ืŸ ื•ื™ืกืžืขืงืŸ ื–ื™ื™. ื“ื™ nilfs2-utils ืคึผืขืงืœ ื’ื™ื˜ ืึท ืžื™ื ื™ืžืึทืœ ื“ื–ืฉืขื ื˜ืœืžืขืŸ ืก ืฉื˜ืขืœืŸ.

ื–ื™ื ื˜ NTT ื”ืื˜ ืงืขืจื˜ื™ื™ืœื“ ื–ื™ื™ึทืŸ ืคืึทื ื“ื™ื ื’, ืขืก ื–ืขื ืขืŸ ืงื™ื™ืŸ ืฉื ืขืœ ื ื™ื“ืขืจื™ืง-ืžื“ืจื’ื” ื™ื•ื˜ื™ืœืึทื˜ื™ื– ื•ื•ืึธืก ืœืึธื–ืŸ ืื™ืจ ืฆื• ื•ื•ื™ื™ึทื–ืŸ ื“ื™ ื’ืขืฉื™ื›ื˜ืข ืคื•ืŸ โ€‹โ€‹ื˜ืขืงืข ืขื ื“ืขืจื•ื ื’ืขืŸ ืึธื“ืขืจ ืžืึทื›ืŸ ืึท ื—ื™ืœื•ืง ืฆื•ื•ื™ืฉืŸ ืกื ืึทืคึผืฉืึทืฅ.

ืžื™ื™ืŸ n2u ื ื•ืฆืŸ

ืฆื• ืคึผืœืึธืžื‘ื™ืจืŸ ื“ืขื ื•ื•ืึทืงื•ื•ื ืื™ืš ื’ืขืฉืจื™ื‘ืŸ ื“ื™ื™ืŸ n2u ื ื•ืฆืŸ, ื•ื•ืึธืก ืงืขื ืขืŸ ื•ื•ื™ื™ึทื–ืŸ ื“ื™ ื’ืขืฉื™ื›ื˜ืข ืคื•ืŸ โ€‹โ€‹ืขื ื“ืขืจื•ื ื’ืขืŸ ืฆื• ืึท ืกืคึผืขืฆื™ืคื™ืฉ ื˜ืขืงืข / ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ:

n2u log filename

ื“ืขืจ ืจืขื–ื•ืœื˜ืึทื˜ ืื™ื– ืขืคึผืขืก ื•ื•ื™ ื“ืึธืก:

          CHECKPOINT        DATE     TIME     TYPE          SIZE  MODE
             1787552  2019-11-24 22:08:00    first          7079    cp
             1792659  2019-11-25 23:09:05  changed          7081    cp

ืขืก ืึทืจื‘ืขื˜ ื’ืึทื ืฅ ื’ืขืฉื•ื•ื™ื ื“ ืคึฟืึทืจ ื“ื™ ืื•ื™ืกื“ืขืจื•ื•ื™ื™ืœื˜ืข ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืื•ืคึฟืŸ: ืขืก ืงื•ืงื˜ ืคึฟืึทืจ ื“ื™ืคืขืจืึทื ืกื™ื– ืฆื•ื•ื™ืฉืŸ ื˜ืขืงืขืก ื ื™ืฆืŸ ื“ื™ ื‘ื™ืกืขืงืฉืึทืŸ ืื•ืคึฟืŸ, ื’ืขืฉื•ื•ื™ื ื“ ืžืึทื•ื ื˜ื™ื ื’ ืื•ืŸ ืงืึทืžืคึผืขืจื™ื ื’ ื“ื™ ื˜ืขืงืข / ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ ืื™ืŸ ืคืึทืจืฉื™ื“ืขื ืข ืกื ืึทืคึผืฉืึทืฅ.

ืื™ืจ ืงืขื ืขืŸ ืฉื˜ืขืœืŸ ืึท ืงื™ื™ื˜ ืคื•ืŸ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ืžื™ื˜ ื“ืขื ืฉืœื™ืกืœ -cp CP1:CP2 ืึธื“ืขืจ -cp {YEAR-MM-DD}:{YEAR-MM-DD}.

ืื™ืจ ืงืขื ื˜ ืื•ื™ืš ื–ืขืŸ ื“ื™ ื—ื™ืœื•ืง ืฆื•ื•ื™ืฉืŸ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ืคึฟืึทืจ ืึท ืกืคึผืขืฆื™ืคื™ืฉ ื˜ืขืงืข ืึธื“ืขืจ ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ:

n2u diff -r cp1:cp2 filename

ืื™ืจ ืงืขื ืขืŸ ื•ื•ื™ื™ึทื–ืŸ ื“ื™ ื’ืื ืฆืข ืงืจืึทื ืึทืœืึทื“ื–ืฉื™ ืคื•ืŸ ืขื ื“ืขืจื•ื ื’ืขืŸ: ืึทืœืข ื“ื™ ื“ื™ืคืขืจืึทื ืกื™ื– ืฆื•ื•ื™ืฉืŸ ื“ื™ ื˜ืฉืขืงืคึผื•ื™ื ืฅ ืคื•ืŸ ืึท ืกืคึผืขืฆื™ืคื™ืฉ ื˜ืขืงืข / ื•ื•ืขื’ื•ื•ื™ื™ึทื–ืขืจ:

n2u blame [-r cp1:cp2] filename

ื“ืึทื˜ืข ืžืขื”ืึทืœืขืš ืื™ืŸ ื“ืขื ื‘ืึทืคึฟืขืœ ืื™ื– ืื•ื™ืš ื’ืขืฉื˜ื™ืฆื˜.

ื ืจื•ืฃ ืฆื• ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขืจืก

ืขืก ื–ืขื ืขืŸ ืคื™ืœืข ืกืคึผืขืฉืึทืœืึทืกืฅ ืื•ื™ืฃ Habrรฉ. ื‘ื™ื˜ืข ืขื ื“ื™ืงืŸ NILFS2. ืžืึทื›ืŸ ืจืขืคึผืœืึทืงื™ื™ืฉืึทืŸ, ื ื™ื“ืขืจื™ืง-ืžื“ืจื’ื” ืฉื ืขืœ ื—ื™ืœื•ืง ืฆื•ื•ื™ืฉืŸ ืจื™ื•ื•ื™ื–ืฉืึทื ื–, ืจืขืคืœื™ื ืง ืื•ืŸ ืื ื“ืขืจืข ื’ื•ื“ื™ื–!

ืจืขืคึฟืขืจืขื ืฆืŸ

ืึทืคื™ืฉืึทืœ NILFS ื•ื•ืขื‘ื–ื™ื™ื˜ืœ.

ืจื™ืคึผืึทื–ืึทื˜ืึธืจื™ื–:
NILFS2.
NILFS2 ื™ื•ื˜ื™ืœืึทื˜ื™ื– ืื•ืŸ ืžืึทื“ื–ืฉื•ืœื–.

ื ืขื•ื•ืกืœืขื˜ื˜ืขืจืก:
E- ื‘ืจื™ื•ื• ื ื•ื–ืœืขื˜ืขืจ ืคึฟืึทืจ NILFS2 ื“ืขื•ื•ืขืœืึธืคึผืขืจืก. ืฉื™ื™ึทืŸ ืคึฟืึทืจ ืœื™ื ื•ืงืก-ื ื™ืœืคืก ืึทื‘ืึธื ืขืžืขื ื˜.
ื ืขื•ื•ืกืœืขื˜ื˜ืขืจ ืึทืจืงื™ื™ื•ื•.

nilfs_cleanerd ืกืขื˜ืึทืคึผ ืคื™ืจืขืจ.
ื‘ืขื ื˜ืฉืžืึทืจืงื™ื ื’ EXT4, Btrfs, XFS ืื•ืŸ NILFS2 ืคืึธืจืฉื˜ืขืœื•ื ื’ ื˜ืขืกืฅ.

ื ื“ืื ืง:

  • NILFS2 ื“ืขื•ื•ืขืœืึธืคึผืขืจืก: Ryusuke Konishi, Koji Sato, Naruhiko Kamimura, Seiji Kihara, Yoshiji Amagai, Hisashi Hifumi ืื•ืŸ Satoshi Moriai. ืื ื“ืขืจืข ื”ื•ื™ืคึผื˜ ืžื™ื˜ืืจื‘ืขื˜ืขืจืก ื–ืขื ืขืŸ: Andreas Rohner, Dan McGee, David Arendt, David Smid, dexen deVries, Dmitry Smirnov, Eric Sandeen, Jiro SEKIBA, Matteo Frigo, Hitoshi Mitake, Takashi Iwai, Vyacheslav Dubeyko.
  • ืฆื• ืึทืžื‘ืœื™ืŸ ืคึฟืึทืจื•ื•ื™ื™ึทืœื•ื ื’ ืื•ืŸ ื•ื ื™ื•ื•ืขืจืกืึทืœ ืคึผื™ืงื˜ื•ืจืขืก ืคึฟืึทืจ ืึท ื•ื•ื•ื ื“ืขืจืœืขืš ืกืขืจื™ืข ืคื•ืŸ โ€‹โ€‹ืคื™ืœืžืก. "ืฆื•ืจื™ืง ืฆื• ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜". ื“ืขืจ ืขืจืฉื˜ืขืจ ื‘ื™ืœื“ ืคื•ืŸ ื“ืขื ืคึผืึธืกื˜ืŸ ืื™ื– ื’ืขื ื•ืžืขืŸ ืคึฟื•ืŸ ื“ืขื ืคึฟื™ืœื "ืฆื•ืจื™ืง ืฆื• ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜ 3".
  • ืงืึธืžืคึผืึทื ื™ืขืก RUVDS ืคึฟืึทืจ ืฉื˜ื™ืฆืŸ ืื•ืŸ ื“ื™ ื’ืขืœืขื’ื ื”ื™ื™ื˜ ืฆื• ืึทืจื•ื™ืกื’ืขื‘ืŸ ืื•ื™ืฃ ื“ื™ื™ืŸ ื‘ืœืึธื’ ืื•ื™ืฃ Habrรฉ.

ืคึผืก ื‘ื™ื˜ืข ืฉื™ืงืŸ ืงื™ื™ืŸ ืขืจืจืึธืจืก ืื™ืจ ื‘ืึทืžืขืจืงืŸ ืื™ืŸ ืึท ืคึผืจื™ื•ื•ืึทื˜ ืึธื ื–ืึธื’. ืื™ืš ืคืึทืจื’ืจืขืกืขืจืŸ ืžื™ื™ืŸ ืงืึทืจืžืึท ืคึฟืึทืจ ื“ืขื.

ืื™ืจ ืงืขื ืขืŸ ืขืงืกืคึผืขืจื™ืžืขื ื˜ ืžื™ื˜ NILFS2 ื“ื•ืจืš ืึธืจื“ืขืจื™ื ื’ ืึท ื•ื•ื™ืจื˜ื•ืึทืœ ืžืึทืฉื™ืŸ ืคึฟื•ืŸ RUVDS ืžื™ื˜ ื“ื™ ืงื•ืคึผืึธืŸ ืื•ื ื˜ืŸ. ืคึฟืึทืจ ืึทืœืข ื ื™ื™ึทืข ืงืœื™ื™ืึทื ืฅ ืขืก ืื™ื– ืึท ืคืจื™ื™ ืคึผืจืึธืฆืขืก ืคื•ืŸ 3 ื˜ืขื’.

NILFS2 - ืึท ื‘ื•ืœืึทื˜ืคึผืจืึธืึธืฃ ื˜ืขืงืข ืกื™ืกื˜ืขื ืคึฟืึทืจ / ื”ื™ื™ื

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’