Veranstaltungen/2009-12-04 ZFS-Workshop/Szenario: gemischter Pool: Unterschied zwischen den Versionen

Aus UUGRN
(draft)
 
(doppel RAID-Z2)
Zeile 86: Zeile 86:
  
 
Ja, das ist herzhaft sinnlos so! :-)
 
Ja, das ist herzhaft sinnlos so! :-)
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 +
'''Besseres Beispiel:'''
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 +
RAID-Z2 über fünf Festplatten:
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<pre>shl@sonnenkind:~$ pfexec zpool create testpool raidz2 ~/HDD0 ~/HDD1 ~/HDD2 ~/HDD3 ~/HDD4</pre>
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 +
<pre>shl@sonnenkind:~$ zpool status testpool
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  pool: testpool
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state: ONLINE
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scrub: none requested
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config:
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        NAME                      STATE    READ WRITE CKSUM
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        testpool                  ONLINE      0    0    0
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          raidz2-0                ONLINE      0    0    0
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            /export/home/shl/HDD0  ONLINE      0    0    0
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            /export/home/shl/HDD1  ONLINE      0    0    0
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            /export/home/shl/HDD2  ONLINE      0    0    0
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            /export/home/shl/HDD3  ONLINE      0    0    0
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            /export/home/shl/HDD4  ONLINE      0    0    0
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errors: No known data errors</pre>
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Weitere fünf Festplatten in den <code>testpool</code>:
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<pre>shl@sonnenkind:~$ pfexec zpool add testpool raidz2 ~/HDD5 ~/HDD6 ~/HDD7 ~/HDD8 ~/HDD9</pre>
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 +
<pre>shl@sonnenkind:~$ zpool status testpool
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  pool: testpool
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state: ONLINE
 +
scrub: none requested
 +
config:
 +
 +
        NAME                      STATE    READ WRITE CKSUM
 +
        testpool                  ONLINE      0    0    0
 +
          raidz2-0                ONLINE      0    0    0
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            /export/home/shl/HDD0  ONLINE      0    0    0
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            /export/home/shl/HDD1  ONLINE      0    0    0
 +
            /export/home/shl/HDD2  ONLINE      0    0    0
 +
            /export/home/shl/HDD3  ONLINE      0    0    0
 +
            /export/home/shl/HDD4  ONLINE      0    0    0
 +
          raidz2-1                ONLINE      0    0    0
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            /export/home/shl/HDD5  ONLINE      0    0    0
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            /export/home/shl/HDD6  ONLINE      0    0    0
 +
            /export/home/shl/HDD7  ONLINE      0    0    0
 +
            /export/home/shl/HDD8  ONLINE      0    0    0
 +
            /export/home/shl/HDD9  ONLINE      0    0    0
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errors: No known data errors</pre>
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[[Kategorie:ZFS]]
 
[[Kategorie:ZFS]]
 
[[Kategorie:ZFS-Workshop]]
 
[[Kategorie:ZFS-Workshop]]

Version vom 26. November 2009, 19:18 Uhr

shl@sonnenkind:~$ mkfile 100m HDD0
shl@sonnenkind:~$ mkfile 100m HDD1
shl@sonnenkind:~$ mkfile 100m HDD2
shl@sonnenkind:~$ mkfile 100m HDD3
shl@sonnenkind:~$ mkfile 100m HDD4
shl@sonnenkind:~$ mkfile 100m HDD5
shl@sonnenkind:~$ mkfile 100m HDD6
shl@sonnenkind:~$ mkfile 100m HDD7
shl@sonnenkind:~$ mkfile 100m HDD8
shl@sonnenkind:~$ mkfile 100m HDD9
shl@sonnenkind:~$ pfexec zpool create testpool raidz2 ~/HDD0 ~/HDD1 ~/HDD2 ~/HDD3 ~/HDD4
shl@sonnenkind:~$ zpool status testpool
  pool: testpool
 state: ONLINE
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        testpool                   ONLINE       0     0     0
          raidz2-0                 ONLINE       0     0     0
            /export/home/shl/HDD0  ONLINE       0     0     0
            /export/home/shl/HDD1  ONLINE       0     0     0
            /export/home/shl/HDD2  ONLINE       0     0     0
            /export/home/shl/HDD3  ONLINE       0     0     0
            /export/home/shl/HDD4  ONLINE       0     0     0

errors: No known data errors

Das wird einen Fehler geben... 

shl@sonnenkind:~$ pfexec zpool add testpool raidz1 ~/HDD5 ~/HDD6 ~/HDD7 
invalid vdev specification
use '-f' to override the following errors:
mismatched replication level: pool uses 2 device parity and new vdev uses 1

... don't try this at home! 

shl@sonnenkind:~$ pfexec zpool add -f testpool raidz1 ~/HDD5 ~/HDD6 ~/HDD7
shl@sonnenkind:~$ zpool status testpool
  pool: testpool
 state: ONLINE
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        testpool                   ONLINE       0     0     0
          raidz2-0                 ONLINE       0     0     0
            /export/home/shl/HDD0  ONLINE       0     0     0
            /export/home/shl/HDD1  ONLINE       0     0     0
            /export/home/shl/HDD2  ONLINE       0     0     0
            /export/home/shl/HDD3  ONLINE       0     0     0
            /export/home/shl/HDD4  ONLINE       0     0     0
          raidz1-1                 ONLINE       0     0     0
            /export/home/shl/HDD5  ONLINE       0     0     0
            /export/home/shl/HDD6  ONLINE       0     0     0
            /export/home/shl/HDD7  ONLINE       0     0     0

errors: No known data errors
shl@sonnenkind:~$ pfexec zpool add testpool mirror ~/HDD8 ~/HDD9
shl@sonnenkind:~$ zpool status testpool
  pool: testpool
 state: ONLINE
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        testpool                   ONLINE       0     0     0
          raidz2-0                 ONLINE       0     0     0
            /export/home/shl/HDD0  ONLINE       0     0     0
            /export/home/shl/HDD1  ONLINE       0     0     0
            /export/home/shl/HDD2  ONLINE       0     0     0
            /export/home/shl/HDD3  ONLINE       0     0     0
            /export/home/shl/HDD4  ONLINE       0     0     0
          raidz1-1                 ONLINE       0     0     0
            /export/home/shl/HDD5  ONLINE       0     0     0
            /export/home/shl/HDD6  ONLINE       0     0     0
            /export/home/shl/HDD7  ONLINE       0     0     0
          mirror-2                 ONLINE       0     0     0
            /export/home/shl/HDD8  ONLINE       0     0     0
            /export/home/shl/HDD9  ONLINE       0     0     0

errors: No known data errors

Ja, das ist herzhaft sinnlos so! :-)

Besseres Beispiel:

RAID-Z2 über fünf Festplatten: 

shl@sonnenkind:~$ pfexec zpool create testpool raidz2 ~/HDD0 ~/HDD1 ~/HDD2 ~/HDD3 ~/HDD4
shl@sonnenkind:~$ zpool status testpool
  pool: testpool
 state: ONLINE
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        testpool                   ONLINE       0     0     0
          raidz2-0                 ONLINE       0     0     0
            /export/home/shl/HDD0  ONLINE       0     0     0
            /export/home/shl/HDD1  ONLINE       0     0     0
            /export/home/shl/HDD2  ONLINE       0     0     0
            /export/home/shl/HDD3  ONLINE       0     0     0
            /export/home/shl/HDD4  ONLINE       0     0     0

errors: No known data errors

Weitere fünf Festplatten in den testpool: 

shl@sonnenkind:~$ pfexec zpool add testpool raidz2 ~/HDD5 ~/HDD6 ~/HDD7 ~/HDD8 ~/HDD9
shl@sonnenkind:~$ zpool status testpool
  pool: testpool
 state: ONLINE
 scrub: none requested
config:

        NAME                       STATE     READ WRITE CKSUM
        testpool                   ONLINE       0     0     0
          raidz2-0                 ONLINE       0     0     0
            /export/home/shl/HDD0  ONLINE       0     0     0
            /export/home/shl/HDD1  ONLINE       0     0     0
            /export/home/shl/HDD2  ONLINE       0     0     0
            /export/home/shl/HDD3  ONLINE       0     0     0
            /export/home/shl/HDD4  ONLINE       0     0     0
          raidz2-1                 ONLINE       0     0     0
            /export/home/shl/HDD5  ONLINE       0     0     0
            /export/home/shl/HDD6  ONLINE       0     0     0
            /export/home/shl/HDD7  ONLINE       0     0     0
            /export/home/shl/HDD8  ONLINE       0     0     0
            /export/home/shl/HDD9  ONLINE       0     0     0

errors: No known data errors
Abgerufen von „https://wiki.uugrn.org/index.php?title=Veranstaltungen/2009-12-04_ZFS-Workshop/Szenario:_gemischter_Pool&oldid=8611“