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this writes an LVM label and some metadata to the PV.
The PV is divided up into units of the same size (4MB by default) known as physical extents (PEs). A PE is the smallest allocatable data volume. Figure 1
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appliance (see the "Test Hardware" box) with eight fast disks in a RAID level 0 array with a stripe size of 64KB. The RAID is divided into an SSD array and an HDD array with identical partitions on both
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Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old
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If you are looking for more performance or more security, RAID storage is always a useful solution. Whereas the non-redundant RAID 0 speeds up data access, RAID 1 duplicates your data and therefore
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0, 1, and 10
RAID level conversion on the fly
Background process for detecting and correcting errors proactively ("scrubbing")
Growing and shrinking a filesystem on the fly
Defragmentation
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an executable Grml installation to a standard USB storage device in next to no time. If you want to do yourself a favor, grab a USB storage device with USB 3.0, which has long been standard.
As icing on the cake
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. If a hostname is used it
06 * must match the reverse dns of the server.
07 * /
08 host = "10.42.0.1";
09
10 /* passwords: the passwords we send (OLD C:) and accept (OLD N:).
11
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Connection
01 #!/usr/bin/expect
02
03 set host [lindex $argv 0]
04 set timeout 5
05 spawn /usr/bin/ssh aefrisch@$host
06 expect "(yes/no)? " {
07 send "yes\r"
08 }
09 expect "password:"
10 send
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will use that in a bit.
Listing 1: Check Directory Content
$ ls -lstar
total 62310
31150 drwxrwxr-x 0 laytonjb laytonjb 31897275 Dec 31 1969 DATA1
31152 -rw-rw-r-- 1 laytonjb laytonjb 31897275 Aug 2
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were delivered as part of the RHCS scope. Thus, up to RHCS 3.0, everything was fine if you wanted Pacemaker and GFS to cooperate.
But Red Hat changed its policy in Red Hat Cluster Suite 3.1, deciding
