Recovery-812

SUMMARY

Information about the Recovery-812 appliance

ISSUE

  1. Max Backup
  2. Default License
  3. Mounted filesystems
  4. Software RAID
  5. Hardware RAID

Max Backup

3.3 TB

 

Default license

J=120,CSS=10,MUX=7,RC=4700G,VC=4700G,D2D=4700G,ENC

 

Mounted filesystems

[[email protected] ~]# df -h
Filesystem Size Used  Avail Use% Mounted on
/dev/md1   128G 2.2G  119G 2%    /
/dev/md3   139G 1021M 131G 1%    /usr/bp
/dev/md0   236M 18M   206M 8%    /boot
tmpfs      7.9G 0     7.9G 0%    /dev/shm
/dev/md4   5.2T 4.4T  766G 86%   /backups

Software RAID

[[email protected] ~]# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [raid1]
md0 : active raid1 sdd1[3] sdc1[2] sdb1[1] sda1[0]
248832 blocks [4/4] [UUUU]

md2 : active raid5 sdd3[3] sdc3[2] sdb3[1] sda3[0]
48026112 blocks level 5, 256k chunk, algorithm 2 [4/4] [UUUU]

md3 : active raid5 sdd5[3] sdc5[2] sdb5[1] sda5[0]
150030336 blocks level 5, 256k chunk, algorithm 2 [4/4] [UUUU]

md4 : active raid5 sdd6[3] sdc6[2] sdb6[1] sda6[0]
5523700224 blocks level 5, 512k chunk, algorithm 2 [4/4] [UUUU]

md1 : active raid5 sdd2[3] sdc2[2] sdb2[1] sda2[0]
138029568 blocks level 5, 256k chunk, algorithm 2 [4/4] [UUUU]

unused devices:
 

Software RAID Level-5 Optimized Parameters

 
Run these commands as well as add them to the rc.local

echo 16384 > /sys/block/md1/md/stripe_cache_size; blockdev --setra 786432 /dev/md1
echo 16384 > /sys/block/md3/md/stripe_cache_size; blockdev --setra 786432 /dev/md3
echo 16384 > /sys/block/md4/md/stripe_cache_size; blockdev --setra 786432 /dev/md4
echo 16384 > /sys/block/md2/md/stripe_cache_size; blockdev --setra 786432 /dev/md2

Make sure your copy-and-paste doesn't break the grammar of shell script. Frequently, typo could happen at the time of pasting. 
 

 

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