On Thu, Sep 16, 2010 at 8:21 AM, Mike DeMarco wrote:
> 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
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
On 17/01/2010 20:34, Bob Friesenhahn wrote:
On Mon, 18 Jan 2010, Tristan Ball wrote:
Is there a way to check the recordsize of a given file, assuming that
the filesystems recordsize was changed at some point?
This would be problematic since a file may consist of different size
records (at le
On Mon, Jan 18, 2010 at 10:22 AM, Richard Elling
wrote:
> On Jan 17, 2010, at 11:59 AM, Tristan Ball wrote:
>> Is there a way to check the recordsize of a given file, assuming that the
>> filesystems recordsize was changed at some point?
>
> I don't know of an easy way to do this.
can't you use
Richard Elling wrote:
Tristan Ball wrote:
Also - Am I right in thinking that if a 4K write is made to a
filesystem block with a recordsize of 8K, then the original block
is read (assuming it's not in the ARC), before the new block is
written elsewhere (the "copy", from copy on write)? This
On Jan 17, 2010, at 11:59 AM, Tristan Ball wrote:
> Hi Everyone,
>
> Is it possible to use send/recv to change the recordsize, or does each file
> need to be individually recreated/copied within a given dataset?
Yes. The former does the latter.
> Is there a way to check the recordsize of a gi
On Mon, 18 Jan 2010, Tristan Ball wrote:
Is there a way to check the recordsize of a given file, assuming that the
filesystems recordsize was changed at some point?
This would be problematic since a file may consist of different size
records (at least I think so). If the record size was chan
Hi Everyone,
Is it possible to use send/recv to change the recordsize, or does each
file need to be individually recreated/copied within a given dataset?
Is there a way to check the recordsize of a given file, assuming that
the filesystems recordsize was changed at some point?
Also - Am I r
