[zfs-discuss] zfs corrupted my data!
I suspect this will be the #1 complaint about zfs as it becomes more popular. It worked before with ufs and hw raid, now with zfs it says my data is corrupt! zfs sux0rs! #2 how do i grow a raid-z. The answers to these should probably be in a faq somewhere. I'd argue that the best practices guide is a good spot also, but the folks that would actually find and read that would seem likely to already understand that zfs detects errors other fs's wouldn't. -frank ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] zfs corrupted my data!
On 11/28/06, Frank Cusack [EMAIL PROTECTED] wrote: I suspect this will be the #1 complaint about zfs as it becomes more popular. It worked before with ufs and hw raid, now with zfs it says my data is corrupt! zfs sux0rs! That's not the problem, so much as zfs says my file system is corrupt, how do I get past this? With ufs, f'rinstance, I'd run an fsck, kiss the bad file(s) goodbye, and be on my way. With zfs, there's this ominous message saying destroy the filesystem and restore from tape. That's not so good, for one corrupt file. And even better, turns out erasing the file might just be enough. Although in my case, I now have a new bad object. Sun pointed me to docs.sun.com (thanks, that helps!) but I haven't found anything in the docs on this so far. I am assuming that my bad object 45654c is an inode number of a special file of some sort, but what? And what does the range mean? I'd love to read the docs on htis ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] zfs corrupted my data!
On 28-Nov-06, at 7:02 PM, Elizabeth Schwartz wrote: On 11/28/06, Frank Cusack [EMAIL PROTECTED] wrote: I suspect this will be the #1 complaint about zfs as it becomes more popular. It worked before with ufs and hw raid, now with zfs it says my data is corrupt! zfs sux0rs! That's not the problem, so much as zfs says my file system is corrupt, how do I get past this? Yes, that's your problem right now. But Frank describes a likely general syndrome. :-) With ufs, f'rinstance, I'd run an fsck, kiss the bad file(s) goodbye, and be on my way. No, you still have the hardware problem. With zfs, there's this ominous message saying destroy the filesystem and restore from tape. That's not so good, for one corrupt file. As others have pointed out, you wouldn't have reached this point with redundancy - the file would have remained intact despite the hardware failure. It is strictly correct that to restore the data you'd need to refer to a backup, in this case. And even better, turns out erasing the file might just be enough. Although in my case, I now have a new bad object. Sun pointed me to docs.sun.com (thanks, that helps!) but I haven't found anything in the docs on this so far. I am assuming that my bad object 45654c is an inode number of a special file of some sort, but what? And what does the range mean? I'd love to read the docs on htis Problems will continue until your hardware is fixed. (Or you conceal them with a redundant ZFS configuration, but that would be a bad idea.) --Toby ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] zfs corrupted my data!
On Tue, Nov 28, 2006 at 08:03:33PM -0500, Toby Thain wrote: As others have pointed out, you wouldn't have reached this point with redundancy - the file would have remained intact despite the hardware failure. It is strictly correct that to restore the data you'd need to refer to a backup, in this case. Well, you could get really unlucky no matter how much redundancy you have, but now we're splitting hairs :) (The more redundancy, the worse your luck has to be to be truly out of luck.) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
