Re: [zfs-discuss] primarycache=metadata seems to force behaviour of secondarycache=metadata

2011-05-14 Thread Chris Forgeron
On May 9, 2010 at 5:29PM, Richard Elling wrote: On May 9, 2011, at 12:29 PM, Chris Forgeron wrote: [..] Q1 - Doesn't this behavior mean that the L2ARC can never get data objects if the ARC doesn't hold them? Yes. Is setting primary to metadata and secondary to all an impossible request?

Re: [zfs-discuss] primarycache=metadata seems to force behaviour of secondarycache=metadata

2011-05-10 Thread Brandon High
On Mon, May 9, 2011 at 2:54 PM, Tomas Ögren st...@acc.umu.se wrote: Slightly off topic, but we had an IBM RS/6000 43P with a PowerPC 604e cpu, which had about 60MB/s memory bandwidth (which is kind of bad for a 332MHz cpu) and its disks could do 70-80MB/s or so.. in some other machine.. It

[zfs-discuss] primarycache=metadata seems to force behaviour of secondarycache=metadata

2011-05-09 Thread Chris Forgeron
Hello, I'm on FreeBSD 9 with ZFS v28, and it's possible this combination is causing my issue, but I thought I'd start here first and will cross-post to the FreeBSD ZFS threads if the Solaris crowd thinks this is a FreeBSD problem. The issue: From carefully watching my ARC/L2ARC size and

Re: [zfs-discuss] primarycache=metadata seems to force behaviour of secondarycache=metadata

2011-05-09 Thread Richard Elling
On May 9, 2011, at 12:29 PM, Chris Forgeron wrote: Hello, I'm on FreeBSD 9 with ZFS v28, and it's possible this combination is causing my issue, but I thought I'd start here first and will cross-post to the FreeBSD ZFS threads if the Solaris crowd thinks this is a FreeBSD problem. The

Re: [zfs-discuss] primarycache=metadata seems to force behaviour of secondarycache=metadata

2011-05-09 Thread Tomas Ögren
On 09 May, 2011 - Richard Elling sent me these 5,0K bytes: of the pool -- not likely to be a winning combination. This isn't a problem for the ARC because it has memory bandwidth, which is, of course, always greater than I/O bandwidth. Slightly off topic, but we had an IBM RS/6000 43P with