Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-08 Thread Sanjeev
Sriram, On Sun, Feb 08, 2009 at 12:04:22AM +0530, Sriram Narayanan wrote: > >From the presentation "ZFS - The last word in filesystems", Page 22 > "In a multi-disk pool, ZFS survives any non-consecutive disk failures" > > Questions: > If I have a 3 disk RAIDZ with disks A, B and C, then: >

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-08 Thread Sriram Narayanan
On Sun, Feb 8, 2009 at 1:29 AM, Frank Cusack wrote: > > what mirror? there is no mirror. you have a raidz. you can have 1 > disk failure. Thanks for the correction. I was thinking RAIDZ, but typed "mirror". I have only RAIDZs on my servers. > >> - if disks a and c fail, then I will be be able

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-08 Thread Sriram Narayanan
On Sun, Feb 8, 2009 at 1:56 AM, Peter Tribble wrote: > No. That quote is part of the discussion of ditto blocks. > > See the following: > > http://blogs.sun.com/bill/entry/ditto_blocks_the_amazing_tape > Thank you, Peter. -- Sriram ___ zfs-discuss mai

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Peter Tribble
On Sat, Feb 7, 2009 at 6:34 PM, Sriram Narayanan wrote: > >From the presentation "ZFS - The last word in filesystems", Page 22 >"In a multi-disk pool, ZFS survives any non-consecutive disk failures" > > Questions: > If I have a 3 disk RAIDZ with disks A, B and C, then: > - if disk b fails,

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Frank Cusack
On February 8, 2009 12:04:22 AM +0530 Sriram Narayanan wrote: >> From the presentation "ZFS - The last word in filesystems", Page 22 > "In a multi-disk pool, ZFS survives any non-consecutive disk failures" > > Questions: > If I have a 3 disk RAIDZ with disks A, B and C, then: > - if disk b

[zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Sriram Narayanan
>From the presentation "ZFS - The last word in filesystems", Page 22 "In a multi-disk pool, ZFS survives any non-consecutive disk failures" Questions: If I have a 3 disk RAIDZ with disks A, B and C, then: - if disk b fails, then will I be able to continue to read data if disks A and C are