Re: [ceph-users] data size less than 4 mb

2015-11-02 Thread mad Engineer
thanks Gregory On Sun, Nov 1, 2015 at 12:06 AM, Gregory Farnum wrote: > On Friday, October 30, 2015, mad Engineer > wrote: > >> i am learning ceph,block storage and read that each object size is 4 Mb.I >> am not clear about the concepts of object

Re: [ceph-users] data size less than 4 mb

2015-11-02 Thread Jan Schermer
Can those hints be disabled somehow? I was battling XFS preallocation the other day, and the mount option didn't make any difference - maybe because those hints have precedence (which could mean they aren't working as they should), maybe not. In particular, when you fallocate a file, some

Re: [ceph-users] data size less than 4 mb

2015-11-02 Thread Jan Schermer
> On 02 Nov 2015, at 11:59, Wido den Hollander wrote: > > > > On 02-11-15 11:56, Jan Schermer wrote: >> Can those hints be disabled somehow? I was battling XFS preallocation >> the other day, and the mount option didn't make any difference - maybe >> because those hints have

Re: [ceph-users] data size less than 4 mb

2015-11-02 Thread Wido den Hollander
On 02-11-15 11:56, Jan Schermer wrote: > Can those hints be disabled somehow? I was battling XFS preallocation > the other day, and the mount option didn't make any difference - maybe > because those hints have precedence (which could mean they aren't > working as they should), maybe not. >

[ceph-users] data size less than 4 mb

2015-10-31 Thread mad Engineer
i am learning ceph,block storage and read that each object size is 4 Mb.I am not clear about the concepts of object storage still what will happen if the actual size of data written to block is less than 4 Mb lets say 1 Mb.Will it still create object with 4 mb size and keep the rest of the space

Re: [ceph-users] data size less than 4 mb

2015-10-31 Thread Gregory Farnum
On Friday, October 30, 2015, mad Engineer wrote: > i am learning ceph,block storage and read that each object size is 4 Mb.I > am not clear about the concepts of object storage still what will happen if > the actual size of data written to block is less than 4 Mb lets