Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Gregg Wonderly
Cindy, will it ever be possible to just have attach mirror the surfaces, including the partition tables? I spent an hour today trying to get a new mirror on my root pool. There was a 250GB disk that failed. I only had a 1.5TB handy as a replacement. prtvtoc ... | fmthard does not work in thi

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Tim Cook
Do you still need to do the grub install? On Dec 15, 2011 5:40 PM, "Cindy Swearingen" wrote: > Hi Anon, > > The disk that you attach to the root pool will need an SMI label > and a slice 0. > > The syntax to attach a disk to create a mirrored root pool > is like this, for example: > > # zpool att

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Frank Cusack
It can still be done for USB, but you have to boot from alternate media to attach the mirror. On Thu, Dec 15, 2011 at 3:41 PM, Frank Cusack wrote: > Yes, except if your root pool is on a USB stick or removable media. > > > On Thu, Dec 15, 2011 at 3:20 PM, Anonymous Remailer (austria) < > mixmas.

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Frank Cusack
Yes, except if your root pool is on a USB stick or removable media. On Thu, Dec 15, 2011 at 3:20 PM, Anonymous Remailer (austria) < mixmas...@remailer.privacy.at> wrote: > > On Solaris 10 If I install using ZFS root on only one drive is there a way > to add another drive as a mirror later? Sorry

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread John D Groenveld
In message , "Anonymous R emailer (austria)" writes: >On Solaris 10 If I install using ZFS root on only one drive is there a way >to add another drive as a mirror later? Sorry if this was discussed >already. I searched the archives and couldn't find the answer. Thank you. http://docs.oracle.com/cd

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Cindy Swearingen
Hi Anon, The disk that you attach to the root pool will need an SMI label and a slice 0. The syntax to attach a disk to create a mirrored root pool is like this, for example: # zpool attach rpool c1t0d0s0 c1t1d0s0 Thanks, Cindy On 12/15/11 16:20, Anonymous Remailer (austria) wrote: On Sola

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Alan Hargreaves
Title: signature You do it as you would any zpool. Mirroring is OK for the zpool. It's just things like raidz* and concats that are not. # zpool attach rpool device Note the use of attach. "add" will try to make a concat. Regards, Alan Hargreaves

[zfs-discuss] Can I create a mirror for a root rpool?

2011-12-15 Thread Anonymous Remailer (austria)
On Solaris 10 If I install using ZFS root on only one drive is there a way to add another drive as a mirror later? Sorry if this was discussed already. I searched the archives and couldn't find the answer. Thank you. ___ zfs-discuss mailing list zfs-disc

Re: [zfs-discuss] very slow write performance on 151a

2011-12-15 Thread milosz
thanks, bill. i killed an old filesystem. also forgot about arc_meta_limit. kicked it up to 4gb from 2gb. things are back to normal. On Thu, Dec 15, 2011 at 1:06 PM, Bill Sommerfeld wrote: > On 12/15/11 09:35, milosz wrote: >> >> hi all, >> >> suddenly ran into a very odd issue with a 151a se

[zfs-discuss] very slow write performance on 151a

2011-12-15 Thread milosz
hi all, suddenly ran into a very odd issue with a 151a server used primarily for cifs... out of (seemingly) nowhere, writes are incredibly slow, often <10kb/s. this is what zpool iostat 1 looks like when i copy a big file: storepool 13.4T 1.07T 57 0 6.13M 0 storepool 13.4T 1