Re: [zfs-discuss] Consequences of resilvering failure
On Tue, Jul 6, 2010 at 10:05 AM, Roy Sigurd Karlsbakk r...@karlsbakk.netwrote: The pool will remain available, but you will have data corruption. The simple way to avoid this, is to use a raidz2, where the chances are far lower for data corruption. It's also possible to replace a drive while the failed / failing drive is still in the system. If some of the disk still has usable data, it can be used in the resilver. Of course using raidz2 or raidz3 is probably easier. -B -- Brandon High : bh...@freaks.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
[zfs-discuss] Consequences of resilvering failure
I'm just about to start using ZFS in a RAIDZ configuration for a home file server (mostly holding backups), and I wasn't clear on what happens if data corruption is detected while resilvering. For example: let's say I'm using RAIDZ1 and a drive fails. I pull it and put in a new one. While resilvering, ZFS detects corrupt data on one of the remaining disks. Will the resilvering continue, with some files marked as containing errors, or will it simply fail? (I found this process[1] to repair damaged data, but I wasn't sure what would happen if it was detected in the middle of resilvering.) I will of course have a backup of the pool, but I may opt for additional backup if the entire pool could be lost due to data corruption (as opposed to just a few files potentially being lost). Thanks, Michael [1] http://dlc.sun.com/osol/docs/content/ZFSADMIN/gbbwl.html ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Consequences of resilvering failure
- Original Message - I'm just about to start using ZFS in a RAIDZ configuration for a home file server (mostly holding backups), and I wasn't clear on what happens if data corruption is detected while resilvering. For example: let's say I'm using RAIDZ1 and a drive fails. I pull it and put in a new one. While resilvering, ZFS detects corrupt data on one of the remaining disks. Will the resilvering continue, with some files marked as containing errors, or will it simply fail? The pool will remain available, but you will have data corruption. The simple way to avoid this, is to use a raidz2, where the chances are far lower for data corruption. Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
