HP-UX server cloning Post: 302597149

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Operating Systems HP-UX HP-UX server cloning Post 302597149 by Shirishlnx on Thursday 9th of February 2012 10:47:06 AM

02-09-2012

Registered User

@Methyl
- Yes both server have same model
- On server there's 4 hdd slots of which 2 used (for OS data 1 mirrored disk )
- Have 2 extra hdd, CAN we take backup on hdd on this by inserting on free slots .
- Also am not sure that Ignite backup will restore my other application configuration files ..

-- Am preferring to go with Mirroring but .. Am sticking with proper mirroring and removing mirrored 2nd disk safely from server without any damage to LVM and that mirrored disk to be work fine on new server .. Smilie

@ VBE, Thnaks sir for your valuable guide..
Yes server have 2 disk on mirrored state, but I can't break already mirrored disk as this is on live and my mgmt doesn't allow me to do so .. I can do is I can take a downtime of secondary passive cluster and do mirroring and take out my disk .
Earlier have did such job for Linux (suse and CentOS) cases with offline dd of hdd and had worked fine .. But here my PM dosent allow me to do so as HP doesn't recommend fro dd copy of whole OS ... Smilie

and my Manager is strict with that .. and have to complete this in some deadline time ...

Here what I want ..
- Attached a 3rd hdd on secondary cluster server ... Mirror it make bootable
- Remove the HDD and connect to new server (Change IP/hostname/disableclustering make script to start all application in order cluster is -- have already made that script)
- And replace SAN data on HDD on new server ... So we have Omni backup configured so am planning to restore that data to new server same size of LV (will create a new vg on new disk and create number of LV as on original server have make entry in fstab)

Sir please advice where am missing with mirroring as have tried but that disk failed to boot .. (Steps taken were mentioned in my first thread)

--Shirish Shukla

Shirishlnx

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LEARN ABOUT PLAN9

cfs

CFS(4)							     Kernel Interfaces Manual							    CFS(4)

NAME

       cfs - cache file system

SYNOPSIS

       cfs -s [-rd] [-f partition]

       cfs -a netaddr [-rd] [-f partition] [mtpt]

DESCRIPTION

       Cfs is a user-level file server that caches information about remote files onto a local disk.  It is normally started by the kernel at boot
       time, though users may start it manually.  Cfs is interposed between the kernel and a network connection to a remote file server to improve
       the  efficiency of access across slow network connections such as modem lines.  On each open of a file cfs checks the consistency of cached
       information and discards any old information for that file.

       Cfs mounts onto mtpt (default /) after connecting to the file server.

       The options are:

       s      the connection to the remote file server is on file descriptors 0 and 1.

       a netaddr
	      dial the destination netaddr to connect to a remote file server.

       r      reformat the cache disk partition.

       d      turn on debugging

       f partition
	      use file partition as the cache disk partition.

       All 9P messages except read, clone, and walk (see intro(5)) are passed through cfs unchanged to the remote server.  A clone followed  imme-
       diately	by a walk is converted into a clwalk.  If possible, a read is satisfied by cached data.  Otherwise, the file server is queried for
       any missing data.

FILES

       /dev/hd0cache
	      Default file used for storing cached data.

SOURCE

       /sys/src/cmd/cfs

																	    CFS(4)