Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-11 Thread Cindy Swearingen
Hi Paul, Example 11-1 in this section describes how to replace a disk on an x4500 system: http://docs.sun.com/app/docs/doc/819-5461/gbcet?a=view Cindy On 01/09/10 16:17, Paul B. Henson wrote: On Sat, 9 Jan 2010, Eric Schrock wrote: If ZFS removed the drive from the pool, why does the

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-11 Thread Eric Schrock
On 01/11/10 17:42, Paul B. Henson wrote: On Sat, 9 Jan 2010, Eric Schrock wrote: No, it's fine. DEGRADED just means the pool is not operating at the ideal state. By definition a hot spare is always DEGRADED. As long as the spare itself is ONLINE it's fine. One more question on this; so

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-11 Thread Paul B. Henson
On Mon, 11 Jan 2010, Eric Schrock wrote: No, there is no way to tell if a pool has DTL (dirty time log) entries. Hmm, I hadn't heard that term before, but based on a quick search I take it that's the list of data in the pool that is not fully redundant? So if a 2-way mirror vdev lost a half,

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-11 Thread Eric Schrock
On Jan 11, 2010, at 6:35 PM, Paul B. Henson wrote: On Mon, 11 Jan 2010, Eric Schrock wrote: No, there is no way to tell if a pool has DTL (dirty time log) entries. Hmm, I hadn't heard that term before, but based on a quick search I take it that's the list of data in the pool that is not

[zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-09 Thread Paul B. Henson
We just had our first x4500 disk failure (which of course had to happen late Friday night sigh), I've opened a ticket on it but don't expect a response until Monday so was hoping to verify the hot spare took over correctly and we still have redundancy pending device replacement. This is an S10U6

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-09 Thread Eric Schrock
On Jan 9, 2010, at 9:45 AM, Paul B. Henson wrote: If ZFS removed the drive from the pool, why does the system keep complaining about it? It's not failing in the sense that it's returning I/O errors, but it's flaky, so it's attaching and detaching. Most likely it decided to attach again and

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-09 Thread Ian Collins
Paul B. Henson wrote: We just had our first x4500 disk failure (which of course had to happen late Friday night sigh), I've opened a ticket on it but don't expect a response until Monday so was hoping to verify the hot spare took over correctly and we still have redundancy pending device

Re: [zfs-discuss] x4500 failed disk, not sure if hot spare took over correctly

2010-01-09 Thread Paul B. Henson
On Sat, 9 Jan 2010, Eric Schrock wrote: If ZFS removed the drive from the pool, why does the system keep complaining about it? It's not failing in the sense that it's returning I/O errors, but it's flaky, so it's attaching and detaching. Most likely it decided to attach again and then