Re: [zfs-discuss] Shrink the slice used for zpool?
Thank you, Darren and Richard. I think this gives what I wanted. Yi On Mon, Feb 15, 2010 at 3:13 PM, Darren J Moffat wrote: > On 15/02/2010 19:15, Yi Zhang wrote: >>> >>> Can you create a zvol and use that for ufs? Slow, but ... >>> >>> Casper >>> >>> >> >> Casper, thanks for the tip! Actually I'm not sure if this would work >> for me. I wanted to use directio to bypass the file system cache when >> reading/writing files. That's why I chose UFS instead of ZFS. Now if I >> create UFS on top of zvol, I'm not sure if a call to directio() would >> actually do its work... > > Why not just use ZFS and set the similar options on the ZFS dataset: > zfs set primarycache=metadata > > That is a close approximation to the UFS feature of directio() for bypassing > storing the data in the filesystem cache. > > -- > Darren J Moffat > ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Shrink the slice used for zpool?
On 15/02/2010 19:15, Yi Zhang wrote: Can you create a zvol and use that for ufs? Slow, but ... Casper Casper, thanks for the tip! Actually I'm not sure if this would work for me. I wanted to use directio to bypass the file system cache when reading/writing files. That's why I chose UFS instead of ZFS. Now if I create UFS on top of zvol, I'm not sure if a call to directio() would actually do its work... Why not just use ZFS and set the similar options on the ZFS dataset: zfs set primarycache=metadata That is a close approximation to the UFS feature of directio() for bypassing storing the data in the filesystem cache. -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Shrink the slice used for zpool?
On Feb 15, 2010, at 11:15 AM, Yi Zhang wrote: > On Mon, Feb 15, 2010 at 1:48 PM, wrote: >> >>> Hi, >>> >>> I recently installed OpenSoalris 200906 on a 10GB primary partition on >>> my laptop. I noticed there wasn't any option for customizing the >>> slices inside the solaris partition. After installation, there was >>> only a single slice (0) occupying the entire partition. Now the >>> problem is that I need to set up a UFS slice for my development. Is >>> there a way to shrink slice 0 (backing storage for the zpool) and make >>> room for a new slice to be used for UFS? >>> >>> I also tried to create UFS on another primary DOS partition, but >>> apparently only one Solaris partition is allowed on one disk. So that >>> failed... >> >> >> Can you create a zvol and use that for ufs? Slow, but ... >> >> Casper >> >> > > Casper, thanks for the tip! Actually I'm not sure if this would work > for me. I wanted to use directio to bypass the file system cache when > reading/writing files. That's why I chose UFS instead of ZFS. Now if I > create UFS on top of zvol, I'm not sure if a call to directio() would > actually do its work... zfs set primarycache=metadata filesystem -- richard ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Shrink the slice used for zpool?
On Mon, Feb 15, 2010 at 1:48 PM, wrote: > >>Hi, >> >>I recently installed OpenSoalris 200906 on a 10GB primary partition on >>my laptop. I noticed there wasn't any option for customizing the >>slices inside the solaris partition. After installation, there was >>only a single slice (0) occupying the entire partition. Now the >>problem is that I need to set up a UFS slice for my development. Is >>there a way to shrink slice 0 (backing storage for the zpool) and make >>room for a new slice to be used for UFS? >> >>I also tried to create UFS on another primary DOS partition, but >>apparently only one Solaris partition is allowed on one disk. So that >>failed... > > > Can you create a zvol and use that for ufs? Slow, but ... > > Casper > > Casper, thanks for the tip! Actually I'm not sure if this would work for me. I wanted to use directio to bypass the file system cache when reading/writing files. That's why I chose UFS instead of ZFS. Now if I create UFS on top of zvol, I'm not sure if a call to directio() would actually do its work... Yi ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Shrink the slice used for zpool?
>Hi, > >I recently installed OpenSoalris 200906 on a 10GB primary partition on >my laptop. I noticed there wasn't any option for customizing the >slices inside the solaris partition. After installation, there was >only a single slice (0) occupying the entire partition. Now the >problem is that I need to set up a UFS slice for my development. Is >there a way to shrink slice 0 (backing storage for the zpool) and make >room for a new slice to be used for UFS? > >I also tried to create UFS on another primary DOS partition, but >apparently only one Solaris partition is allowed on one disk. So that >failed... Can you create a zvol and use that for ufs? Slow, but ... Casper ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
[zfs-discuss] Shrink the slice used for zpool?
Hi, I recently installed OpenSoalris 200906 on a 10GB primary partition on my laptop. I noticed there wasn't any option for customizing the slices inside the solaris partition. After installation, there was only a single slice (0) occupying the entire partition. Now the problem is that I need to set up a UFS slice for my development. Is there a way to shrink slice 0 (backing storage for the zpool) and make room for a new slice to be used for UFS? I also tried to create UFS on another primary DOS partition, but apparently only one Solaris partition is allowed on one disk. So that failed... Thanks! Yi Zhang ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
