Hi all,
After some research on my RAID controller, PERC H310 Mini on a Dell
server, I found a lot performance issue. It does not have WriteBack
cache or BBU. I do not tested to write directly on the partition because
I have some backup to do before but I think reinstall the server on a
softwa
Hello,
did you really need the hardware controller? I suggest to use Software/MD raid,
ob btrfs with raid1 or zfs with raidz1
On Wednesday, August 22, 2018 11:41:08 AM CEST Martin LEUSCH wrote:
> Hi,
>
>
> I have a NFS server with a hardware RAID5 on 3 HDD of 6 TB. I have a
> system partiti
Hi.
On Wed, Aug 22, 2018 at 04:15:30PM +0200, Martin LEUSCH wrote:
> To complete the description there is infos about the XFS partition:
>
> meta-data=/dev/sda4 isize=256agcount=11, agsize=268435455
> blks
> = sectsz=512 attr=2, projid32b
On Wed, Aug 22, 2018 at 11:53:25AM -0400, Michael Stone wrote:
Can you rebuild the partition? If so, unmount it then perform the dd
directly to the device.
To be clear, ^^^ this will destroy the filesystem.
Mike Stone
On Wed, Aug 22, 2018 at 04:02:42PM +0200, Martin LEUSCH wrote:
what happens with
dd if=/dev/zero of=/var/srv/nfs/testfile bs=64k count=16k conv=fsync
And this is direct on the server, not via NFS, right?
I've got same result as previous test.
tests with dd command are executed directly on the
To complete the description there is infos about the XFS partition:
meta-data=/dev/sda4 isize=256agcount=11, agsize=268435455 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0finobt=0
data =
Le 22/08/2018 à 15:17, Michael Stone a écrit :
On Wed, Aug 22, 2018 at 02:25:51PM +0200, Martin LEUSCH wrote:
I tested write speed with dd command like "dd if=/dev/zero
of=/var/srv/nfs/
testfile bs=1G count=1 oflag=direct".
The 10 MB/s for the data partition also correspond to the behavior I
g
On Wed, Aug 22, 2018 at 02:25:51PM +0200, Martin LEUSCH wrote:
I tested write speed with dd command like "dd if=/dev/zero of=/var/srv/nfs/
testfile bs=1G count=1 oflag=direct".
The 10 MB/s for the data partition also correspond to the behavior I get in
real situation, when I copy a big file on NF
Le 22/08/2018 à 13:15, Michael Stone a écrit :
On Wed, Aug 22, 2018 at 11:41:08AM +0200, Martin LEUSCH wrote:
I have a NFS server with a hardware RAID5 on 3 HDD of 6 TB. I have a
system partition with ext4 and a data partition with XFS.
I get only 10 MB/s in write speed on the XFS data partiti
On Wed, Aug 22, 2018 at 11:41:08AM +0200, Martin LEUSCH wrote:
I have a NFS server with a hardware RAID5 on 3 HDD of 6 TB. I have a
system partition with ext4 and a data partition with XFS.
I get only 10 MB/s in write speed on the XFS data partition and 80
MB/s on the system partition.
how a
Hi,
I have a NFS server with a hardware RAID5 on 3 HDD of 6 TB. I have a
system partition with ext4 and a data partition with XFS.
I get only 10 MB/s in write speed on the XFS data partition and 80 MB/s
on the system partition.
XFS mount option:
/dev/sda4 on /var/srv/nfs type xfs (rw,rel
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