Use 'dd' to copy block device to block device. (The name reminds me of DDR every time I use it!)
On Wed, Apr 6, 2022, 11:44 Martha McConaghy <martha.mccona...@marist.edu> wrote: > Christian, > Looks like I have a couple of Linux LPARs that I'm going to have to move > to the new storage too. (I was hoping to be able to retire them, but no > such luck.) The trick with the EDEV isn't going to work for them (LUNs are > too big). > > What would be a good tool to use in Linux to do physical copies of LUNs? > My colleagues usually only deal with copying filesystems, like rsync, which > would not do the trick for me. > > Martha > > > Martha McConaghy > > Marist: System Architect/Technical Lead > > SHARE Association: Secretary > > Marist College IT > > Poughkeepsie, NY 12601 > > ________________________________ > From: Linux on 390 Port <LINUX-390@VM.MARIST.EDU> on behalf of Christian > Borntraeger <borntrae...@linux.ibm.com> > Sent: Wednesday, April 6, 2022 1:56 AM > To: LINUX-390@VM.MARIST.EDU <LINUX-390@VM.MARIST.EDU> > Subject: Re: Moving LUNs using z/VM > > Am 05.04.22 um 23:19 schrieb Martha McConaghy: > > I have a few RHEL servers that run on z/VM but boot off of a direct > attached SAN LUN (not an EDEV or ECKD). They reside on an old DS8870 and I > need to move them to a new DS8910. (No PPRC, GDPS, etc.) Is there a way > that I could use VM to copy these LUNs to the new storage? I was looking > at DDR, but wasn't sure if the FB-512 type would work for these. They > aren't CMS format disks, obviously, so that isn't an option. I'm trying to > avoid having to attach them to a Linux server to do the work, but will if > that is the only option. Since these are boot volumes, I have to copy the > boot partition and boot record, not just the filesystems. So, a physical > copy would be the best. > > I think your last resort (using a Linux server) is actually not a bad > idea as direct attached FCP is usually faster than EDEV. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www2.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www2.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www2.marist.edu/htbin/wlvindex?LINUX-390
