ื ืกืขื˜ืึทืคึผ ืžื™ื˜ NVMe ืื•ื™ืฃ ืœื™ื ื•ืงืก

ื’ื•ื˜ ื˜ืึธื’.

ืื™ืš ื’ืขื•ื•ืืœื˜ ืฆื• ืฆื™ืขืŸ ื“ื™ ื•ืคืžืขืจืงื–ืึทืžืงื™ื™ื˜ ืคื•ืŸ ื“ื™ ืงื”ืœ ืฆื• ืึท ื›ืึทืจืึทืงื˜ืขืจื™ืกื˜ื™ืฉ ืฉื˜ืจื™ืš ืคื•ืŸ ืœื™ื ื•ืงืก ื•ื•ืขืŸ ืื™ืš ืึทืจื‘ืขื˜ ืžื™ื˜ ืงื™ื™ืคืœ NVMe SSDs ืื™ืŸ ืื™ื™ืŸ ืกื™ืกื˜ืขื. ืขืก ื•ื•ืขื˜ ื–ื™ื™ืŸ ืกืคึผืขืฆื™ืขืœ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ืคึฟืึทืจ ื™ืขื ืข ื•ื•ืืก ื•ื•ื™ ืฆื• ืžืึทื›ืŸ ื•ื•ื™ื™ื›ื•ื•ืืจื’ RAID ืขืจื™ื™ื– ืคื•ืŸ NVMe.

ืื™ืš ื”ืึธืคึฟืŸ ืึทื– ื“ื™ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื•ื ื˜ืŸ ื•ื•ืขื˜ ื”ืขืœืคึฟืŸ ื‘ืึทืฉื™ืฆืŸ ืื™ื™ืขืจ ื“ืึทื˜ืŸ ืื•ืŸ ืขืœื™ืžื™ื ื™ืจืŸ ืึทื ื•ื™ื™ื ื’ ืขืจืจืึธืจืก.

ืžื™ืจ ื–ืขื ืขืŸ ืึทืœืข ืฆื•ื’ืขื•ื•ื•ื™ื ื˜ ืฆื• ื“ื™ ืคืืœื’ืขื ื“ืข ืœื™ื ื•ืงืก ืœืึธื’ื™ืง ื•ื•ืขืŸ ืืจื‘ืขื˜ืŸ ืžื™ื˜ ื‘ืœืึธืง ื“ืขื•ื•ื™ืกืขืก:
ืื•ื™ื‘ ื“ื™ ืžื™ื˜ืœ ืื™ื– ื’ืขืจื•ืคืŸ /dev/sda, ื“ื™ ืคึผืึทืจื˜ื™ืฉืึทื ื– ืื•ื™ืฃ ืขืก ื•ื•ืขื˜ ื–ื™ื™ืŸ /dev/sda1, /dev/sda2, ืขื˜ืง.
ืฆื• ื–ืขืŸ SMART ืึทื˜ืจื™ื‘ื™ื•ืฅ, ืžื™ืจ ื ื•ืฆืŸ ืขืคึผืขืก ื•ื•ื™ smartctl -a /dev/sda, ืื•ืŸ ืคึฟืึธืจืžืึทื˜ ืขืก ืื•ืŸ ืœื™ื™ื’ืŸ ืคึผืึทืจื˜ื™ืฉืึทื ื– ืฆื• ื“ื™ ืขืจื™ื™ื–, ื•ื•ื™ /dev/sda1.

ืžื™ืจ ื–ืขื ืขืŸ ืึทืœืข ืฆื•ื’ืขื•ื•ื•ื™ื ื˜ ืฆื• ื“ื™ ืึทืงืกื™ืึทื ืึทื– /dev/sda1 ืื™ื– ืœื™ื’ืŸ ืื•ื™ืฃ /dev/sda. ืื•ืŸ, ืื•ื™ื‘ ืื™ื™ืŸ ื˜ืึธื’ SMART ื•ื•ื™ื™ื–ื˜ ืึทื– /dev/sda ืื™ื– ื›ึผืžืขื˜ ื˜ื•ื™ื˜, ืขืก ืื™ื– /dev/sda1 ื•ื•ืึธืก ืžื™ืจ ื•ื•ืขืœืŸ ื•ื•ืึทืจืคืŸ ืื•ื™ืก ืคื•ืŸ ื“ื™ RAID ืžืขื ื’ืข ืคึฟืึทืจ ืคืึทืจื‘ื™ื™ึทื˜.

ืขืก ื˜ื•ืจื ืก ืื•ื™ืก ืึทื– ื“ื™ ื”ืขืจืฉืŸ ื˜ื•ื˜ ื ื™ืฉื˜ ืึทืจื‘ืขื˜ืŸ ืžื™ื˜ NVMe Namespaces. ื‘ืื•ื•ื™ื™ื–:

nvme list && ( smartctl -a /dev/nvme0 && smartctl -a /dev/nvme1  && smartctl -a /dev/nvme2 ) | grep Serial
Node             SN                   Model                                    Namespace Usage                      Format           FW Rev  
---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
/dev/nvme0n1     S466NX0K72XX06M      Samsung SSD 970 EVO 500GB                1          96.92  GB / 500.11  GB    512   B +  0 B   1B2QEXE7
/dev/nvme1n1     S466NX0K43XX48W      Samsung SSD 970 EVO 500GB                1          91.00  GB / 500.11  GB    512   B +  0 B   1B2QEXE7
/dev/nvme2n1     S466NX0K72XX01A      Samsung SSD 970 EVO 500GB                1           0.00   B / 500.11  GB    512   B +  0 B   1B2QEXE7
Serial Number:                      S466NX0K72XX06M
Serial Number:                      S466NX0K72XX01A
Serial Number:                      S466NX0K43XX48W

ืึท ืงืœื•ื’ ืœื™ื™ืขื ืขืจ ืคื•ืŸ ื“ื™ ืกื™ืจื™ืึทืœ ื ื•ืžืขืจ ืคืึทืจื’ืœื™ื™ึทืš ื•ื•ืขื˜ ื‘ืึทืžืขืจืงืŸ ืึทื– /dev/nvme1n1 ืื™ื– ืคืืงื˜ื™ืฉ ืœื™ื’ืŸ ืื•ื™ืฃ /dev/nvme2, ืื•ืŸ ื•ื•ื™ืฆืข ื•ื•ืขืจืกืึท.

ืค.ืก.

ืื™ืš ื•ื•ื™ื ื˜ืฉืŸ ืื™ืจ ืงื™ื™ื ืžืึธืœ ื‘ืึทื–ื™ื™ึทื˜ื™ืงืŸ ื“ื™ ืœืขืฆื˜ืข ืœืขื‘ืขื“ื™ืง NVMe SSD ืคื•ืŸ ื“ื™ RAID ืžืขื ื’ืข.

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’