[zfs-discuss] zpool import crashes system

2010-11-11 Thread Mike DeMarco
I am trying to bring in my zpool from build 121 into build 134 and every time I do a zpool import the system crashes. I have read other posts for this and have tried setting zfs_recover = 1 and aok = 1 in /etc/system I have used mdb to verify that they are in the kernel but the system still cr

[zfs-discuss] recordsize

2010-09-16 Thread Mike DeMarco
What are the ramifications to changing the recordsize of a zfs filesystem that already has data on it? I want to tune down the recordsize to speed up very small reads to a size that is more in line with the read size. can I do this on a filestystem that has data already on it and how does it ef

[zfs-discuss] shrink zpool

2010-08-25 Thread Mike DeMarco
Is it currently or near future possible to shrink a zpool "remove a disk" -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] New Supermicro SAS/SATA controller: AOC-USAS2-L8e in SOHO NAS and HD HTPC

2010-08-16 Thread Mike DeMarco
What I would really like to know is why do pci-e raid controller cards cost more than an entire motherboard with processor. Some cards can cost over $1,000 dollars, for what. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-

Re: [zfs-discuss] EMC migration and zfs

2010-08-16 Thread Mike DeMarco
Bump this up. Anyone? -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] EMC migration and zfs

2010-08-12 Thread Mike DeMarco
We are going to be migrating to a new EMC frame using Open Replicator. ZFS is sitting on volumes that are running MPXIO. So the controller number/disk number is going to change when we reboot the server. I would like to konw if anyone has done this and will the zfs filesystems "just work" and fi

Re: [zfs-discuss] zfs allow does not work for rpool

2010-07-28 Thread Mike DeMarco
That looks like that will work. Won't be able to test until late tonight. Thanks mike -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs allow does not work for rpool

2010-07-28 Thread Mike DeMarco
Thanks adding mount did allow me to create it but does not allow me to create the mountpoint. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] zfs allow does not work for rpool

2010-07-28 Thread Mike DeMarco
I am trying to give a general user permissions to create zfs filesystems in the rpool. zpool set=delegation=on rpool zfs allow create rpool both run without any issues. zfs allow rpool reports the user does have create permissions. zfs create rpool/test cannot create rpool/test : permission d

[zfs-discuss] zfs on FDE

2009-10-13 Thread Mike DeMarco
Any reason why ZFS would not work on a FDE (Full Data Encryption) Hard drive? -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] zfs disk encryption

2009-10-13 Thread Mike DeMarco
Does anyone know when this will be available? Project says Q4 2009 but does not give a build. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] HELP!!! Need to disable zfs

2008-11-25 Thread Mike DeMarco
> Boot from the other root drive, mount up the "bad" > one at /mnt. Then: > > # mv /mnt/etc/zfs/zpool.cache > /mnt/etc/zpool.cache.bad > > > > On Tue, Nov 25, 2008 at 8:18 AM, Mike DeMarco > <[EMAIL PROTECTED]> wrote: > > My root dri

[zfs-discuss] HELP!!! Need to disable zfs

2008-11-25 Thread Mike DeMarco
My root drive is ufs. I have corrupted my zpool which is on a different drive than the root drive. My system paniced and now it core dumps when it boots up and hits zfs start. I have a alt root drive that can boot the system up with but how can I disable zfs from starting on a different drive?

Re: [zfs-discuss] zfs! mirror and break

2008-05-09 Thread Mike DeMarco
> Mike DeMarco wrote: > > I currently have a zpool with two 8Gbyte disks in > it. I need to replace them with a single 56Gbyte > disk. > > > > with veritas I would just add the disk in as a > mirror and break off the other plex then destroy it. > > > >

[zfs-discuss] zfs! mirror and break

2008-05-08 Thread Mike DeMarco
I currently have a zpool with two 8Gbyte disks in it. I need to replace them with a single 56Gbyte disk. with veritas I would just add the disk in as a mirror and break off the other plex then destroy it. I see no way of being able to do this with zfs. Being able to migrate data without having

Re: [zfs-discuss] Hierarchal zfs mounts

2007-10-22 Thread Mike DeMarco
> Mike DeMarco wrote: > > Looking for a way to mount a zfs filesystem ontop > of another zfs > > filesystem without resorting to legacy mode. > > doesn't simply 'zfs set mountpoint=...' work for you? > > -- >

[zfs-discuss] Hierarchal zfs mounts

2007-10-22 Thread Mike DeMarco
Looking for a way to mount a zfs filesystem ontop of another zfs filesystem without resorting to legacy mode. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listin

Re: [zfs-discuss] compression=on and zpool attach

2007-09-12 Thread Mike DeMarco
> On 9/12/07, Mike DeMarco <[EMAIL PROTECTED]> wrote: > > > Striping several disks together with a stripe width > that is tuned for your data > > model is how you could get your performance up. > Stripping has been left out > > of the ZFS model for some reason

Re: [zfs-discuss] compression=on and zpool attach

2007-09-12 Thread Mike DeMarco
> On 11/09/2007, Mike DeMarco <[EMAIL PROTECTED]> > wrote: > > > I've got 12Gb or so of db+web in a zone on a ZFS > > > filesystem on a mirrored zpool. > > > Noticed during some performance testing today > that > > > its i/o bound but &

Re: [zfs-discuss] compression=on and zpool attach

2007-09-11 Thread Mike DeMarco
> I've got 12Gb or so of db+web in a zone on a ZFS > filesystem on a mirrored zpool. > Noticed during some performance testing today that > its i/o bound but > using hardly > any CPU, so I thought turning on compression would be > a quick win. If it is io bound won't compression make it worse? >