{"id":30690,"date":"2019-10-31T21:36:54","date_gmt":"2019-10-31T18:36:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak\/"},"modified":"2019-10-31T21:36:54","modified_gmt":"2019-10-31T18:36:54","slug":"spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/spasenie-razdela-v-debian-kogda-poshlo-chto-to-ne-tak","title":{"rendered":"Redning af partitionen i Debian, n\u00e5r noget g\u00e5r galt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Goddag, k\u00e6re
\nDet skete en torsdag aften, hvor en af vores administratorer skulle \u00e6ndre st\u00f8rrelsen p\u00e5 en af KVM-virtuelle maskiner. Det virker som en helt triviel opgave, men det kan f\u00f8re til datatab overhovedet... Og s\u00e5... hele historien er under klippet.
\n<\/a><\/noindex>
\nSom jeg allerede har n\u00e6vnt - torsdag aften (der s\u00e5 ud til ikke at v\u00e6re noget regn) besluttede en af vores administratorer at udf\u00f8re en opgave, der havde st\u00e5et p\u00e5 listen i lang tid, og udvide st\u00f8rrelsen p\u00e5 FS inde i den virtuelle maskine. KVM<\/a>.<\/p>\n

Jeg havde allerede forh\u00e5ndsvis \u00f8get st\u00f8rrelsen p\u00e5 selve disken fra 14 GB til 60 GB, og nu skulle administratoren bare \u00f8ge st\u00f8rrelsen p\u00e5 FS inde i den virtuelle maskine.<\/p>\n

Omkring kl. 12 om natten sender administratoren en besked, hvor han sp\u00f8rger, om partitionen skal v\u00e6re extended eller primary... Jeg svarer ham, at han skal g\u00f8re det, som det var f\u00f8r p\u00e5 den virtuelle maskine. <\/p>\n

Tiden gik... og administratoren skriver, at han har f\u00e5et fejl, og at han ikke kan udvide partitionen... og at den er stoppet med at blive monteret... Klokken er allerede 2 om natten...<\/p>\n

Jeg skrev til ham, at han ikke skulle lave flere \u00e6ndringer og lade den virtuelle maskine v\u00e6re i fred, og jeg gik selv i gang med at tage en kopi af diskbilledet VM - kaldte den vmname_bad.<\/p>\n

Det gjorde situationen endnu sv\u00e6rere, da administratoren ikke havde taget et snapshot og ikke havde kopieret partitioneringen f\u00f8r sine handlinger... Med de oplysninger kunne vi v\u00e6re g\u00e5et tilbage og pr\u00f8ve igen.<\/p>\n

Om morgenen, med friske tanker, starter jeg den virtuelle maskine med samme OS (Debian 9) og tilslutter disken. Gennem fdisk ser jeg, at disken allerede er udvidet til 60 GB, og partitionen... som faktisk er en smule beskadiget. <\/p>\n

Jeg pr\u00f8ver baseret p\u00e5 sk\u00e6rmbillederne, som administratoren har givet, at finde den tidligere partitionering, men desv\u00e6rre forg\u00e6ves. Jeg pr\u00f8ver at finde v\u00e6rdierne gennem fdisk, men desv\u00e6rre mislykkes alle mine fors\u00f8g.<\/p>\n

Da fdisk ikke kan hj\u00e6lpe mig... kalder jeg p\u00e5 hj\u00e6lp fra parted. Jeg starter parted - jeg fjerner den gamle partition rm 2 og ved at kende de omtrentlige opdelesv\u00e6rdier laver jeg en rescue - jeg angiver startv\u00e6rdi og slutv\u00e6rdi, hvor partitionen kan v\u00e6re. Efter et minut finder parted partitionen og tilbyder at indf\u00f8re oplysninger om den i systemet - jeg accepterede og forlod parted.<\/p>\n

Jeg monterer partitionen - alt er OK. Filen er p\u00e5 plads, alt ser godt ud, men st\u00f8rrelsen er stadig den gamle p\u00e5 14 GB. Jeg afmonterer \/dev\/sdd1 og udf\u00f8rer resize2fs \/dev\/sdd1, derefter e2fsck \/dev\/sdd1 og monterer igen og ser nu den udvidede partition med alle filer og helt funktionsdygtig. <\/p>\n

Det endte godt b\u00e5de for mig og for administratoren.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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