Displaying 3 results from an estimated 3 matches for "riad1".
Did you mean:
raid1
2009 May 06
3
Strange problem with filesystem changes reverting on reboot
Our sysadmin was doing midnight work on moving some hardware to new
power outlets. We'd recently done a CentOS 5.3 install on one of
those machines and then "yum install" with the centosplus kernel and
some rpmforge packages. It had been up and running fine for at least
two weeks in that configuration. He sent this message:
On reboot the root file system seems to have reverted to
2020 Sep 16
0
storage for mailserver
...f both SSDs and HDDs in the array.
Read performance is not far off native write performance of the SSD, and
writes mostly cached / happen in the background so are not so noticeable
on a mail server anyway.
I kind of stumbled across this setup by accident when I added an NVMe
SSD to an existing RIAD1 array consisting of 2 HDDs.
# cat /proc/mdstat
Personalities : [raid1]
md127 : active raid1 sda1[2](W) sdb1[4](W) nvme0n1p1[3]
485495616 blocks super 1.0 [3/3] [UUU]
bitmap: 3/4 pages [12KB], 65536KB chunk
See how we have 3 devices in the above RAID1 array, 2 x HDDs, marked
with a...
2020 Sep 16
7
storage for mailserver
hi,
I am planning to replace my old CentOS 6 mail server soon. Most details
are quite obvious and do not need to be changed, but the old system
was running on spinning discs and this is certainly not the best
option for todays mail servers.
With spinning discs, HW-RAID6 was the way to go to increase reliability
and speed.
Today, I get the feeling, that traditional RAID is not the best
option for