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Why Veritas is not used for root file system.

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Operating Systems Solaris Why Veritas is not used for root file system.
# 1  
Old 05-25-2010
Why Veritas is not used for root file system.
Dear All,

In our environment we use SDS (Solaris Vlume Manager) for root file system.So, I am wondering why Veritas is not use for the same.

Code:
root@abc # df -kh
Filesystem             size   used  avail capacity  Mounted on
/dev/md/dsk/d10         30G    22G   6.9G    77%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
swap                   107G   344K   107G     1%    /tmp
swap                   107G    56K   107G     1%    /var/run
/dev/vx/dsk/ABCORA/oracle
                        10G   1.1G   8.8G    12%    /oracle
/dev/vx/dsk/ABCDATA1/sapdata1
                       272G   148G   123G    55%    /oracle/ABC/sapdata1
/dev/vx/dsk/ABCDATA1/sapdata2
                       272G   125G   146G    46%    /oracle/ABC/sapdata2

I understand that we can use veritas for root file system as well.But why its not so famous for root file system..??
Also we are using Veritas for other file systems.

Thanks.
# 2  
Old 05-25-2010
SDS or SVM is easy to set up either manually or through jumpstart, troubleshoot, maintain, and is the de-facto software disk manager solution on Solaris, and it works perfectly well.

Why bother going through the bother of encapsulating the root disk with VxVM? Save it for your data volumes....

My ha-pennies worth, anyway.
This User Gave Thanks to Rowley For This Post:
Reboot
# 3  
Old 05-25-2010
@Reboot: Beware not confusing volume management and file systems. VxFS isn't supported by the OpenBoot Prom so you just can't boot a kernel located on such a file system. Only UFS and now ZFS can be used to boot Solaris.
These 2 Users Gave Thanks to jlliagre For This Post:
brusell Reboot
# 4  
Old 05-25-2010
And the benefit of using SVM/SDS is that its very quick to get out of if by some odd reason SDS or the config should be corrupted as the underlying filesystem is not changed.

With Veritas your a bit more stuck.
This User Gave Thanks to lufen For This Post:
Reboot
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