On 03/27/2016 10:24 PM, p...@email.cz wrote:
What's the recommended shard size for databases ( espacially Oracle )
, I'm afraid that 512M is too large.
I found that someones using about 16MB , but it generate a lot of
files for healing if volumes splitted. (eg. for 500GB DB in worse case )
Would the database be running within the guest VM?
Did you run into any specific issue with 512M shard size?
What we have noticed is that with smaller shard sizes , like 4MB, the
number of entries in the .shard directory is too high, and hence affects
the performance when it comes to healing entries in directory. The
256M/512M shard size is a good balance between the number of entries
created and data size to heal.
Pa.
On 27.3.2016 16:57, Sahina Bose wrote:
Stripe is not supported.
What you need to do instead is turn on sharding for the volume.
So:
gluster volume create 12HP12-S2R3A1P2 replica 3 arbiter 1
1hp1:/STORAGES/P2/GFS 1hp2:/STORAGES/P2/GFS
kvmarbiter:/STORAGES/P2-1/GFS force
gluster volume set 12HP12-S2R3A1P2 features.shard on
gluster volume set 12HP12-S2R3A1P2 features.shard-block-size 512MB
If you want to utilize the additional nodes as well, you can change
this to a distributed replicate volume - instead of the volume
creation in step above , use below
gluster volume create 12HP12-S2R3A1P2 replica 3 arbiter 1
1hp1:/STORAGES/P2/GFS 1hp2:/STORAGES/P2/GFS
kvmarbiter:/STORAGES/P2-1/GFS 2hp1:/STORAGES/P2/GFS
2hp2:/STORAGES/P2/GFS kvmarbiter:/STORAGES/P2-2/GFS force
On 03/24/2016 07:49 PM, p...@email.cz wrote:
Hello,
I tried create stripe 2 replica 3 arbiter1 gluster volume for testing.
So , glusterFS such type from commandline was successfull, but
domain creation looks to be unsupported. with oVirt message "Error
while executing action AddGlusterFsStorageDomain: Storage Domain
target is unsupported".
Cam U tell me if is it error or really unsuported ??
exam:
gluster volume create 12HP12-S2R3A1P2 stripe 2 replica 3 arbiter 1
1hp1:/STORAGES/P2/GFS 1hp2:/STORAGES/P2/GFS
kvmarbiter:/STORAGES/P2-1/GFS 2hp1:/STORAGES/P2/GFS
2hp2:/STORAGES/P2/GFS kvmarbiter:/STORAGES/P2-2/GFS force
RHEL 7-2.1511
vdsm - vdsm-4.17.23-1.el7
gluster - glusterfs-3.7.9-1.el7
ovirt - 3.5.6.2-1
regs.Pavel
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