Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Mike Gerdts
On 8/11/07, Stan Seibert <[EMAIL PROTECTED]> wrote: > I'm not sure if that answers the question you were asking, but generally I > found that damage to a zpool was very well confined. But you can't count on it. I currently have an open case where a zpool became corrupt and put the system into a

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Chris J
Thanks for the info folks. In addition to the 2 replies shown above I got the following very knowledgeable reply from Jim Dunham (for some reason it has not shown up here yet so I'm going to paste it in). Chris, For the purposes of isolating corruption, the separation of two or more

[zfs-discuss] zpool upgrade to more storage

2007-08-11 Thread Krzys
Hello everyone, I am slowly running out of space in my zpool.. so I wanted to replace my zpool with a different zpool.. my current zpool is > zpool list NAMESIZEUSED AVAILCAP HEALTH ALTROOT mypool 278G263G 14.7G94% ONLINE - > zp

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Jim Dunham
Chris, > In the old days of UFS, on occasion one might create multiple file > systems (using multiple partitions) of a large LUN if filesystem > corruption was a concern. It didn’t happen often but filesystem > corruption has happened. So, if filesystem X was corrupt > filesystem Y woul

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Stan Seibert
I did some tests with zfs-fuse where I created a pool with two vdevs (no mirror or raid-z) and filled it up with files. Then I deliberately corrupted bytes on the vdev and scrubbed the pool to see what happened. ZFS was able to pinpoint exactly which files were corrupted and reported their ful

Re: [zfs-discuss] zfs on entire disk?

2007-08-11 Thread Tuomas Leikola
On 8/11/07, Russ Petruzzelli <[EMAIL PROTECTED]> wrote: > > Is it possible/recommended to create a zpool and zfs setup such that the OS > itself (in root /) is in its own zpool? Yes. You're looking for "zfs root" and it's easiest if your installer does that for you. At least latest nexenta unsta

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Blake
Is it possible that a faulty disk controller could cause corruption to a zpool? I think I had this experience recently when doing a 'zpool replace' with both the old/new device attached to a controller that I discovered was faulty (because I got data checksum errors, and had to dig for backups).

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Richard L. Hamilton
> In the old days of UFS, on occasion one might create > multiple file systems (using multiple partitions) of > a large LUN if filesystem corruption was a concern. > It didn’t happen often but filesystem corruption > has happened. So, if filesystem X was corrupt > filesystem Y would be just fine

[zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Chris J
In the old days of UFS, on occasion one might create multiple file systems (using multiple partitions) of a large LUN if filesystem corruption was a concern. It didn’t happen often but filesystem corruption has happened. So, if filesystem X was corrupt filesystem Y would be just fine. With Z