Date: Tue, 1 Sep 2020 14:13:27 -0400 From: Ryan Moeller <freqlabs@FreeBSD.org> To: freebsd-current@freebsd.org Subject: Re: What is the zstreamdump command in OpenZFS? Message-ID: <13bfbbdf-9ca4-9e2a-c552-4c391ac8e311@FreeBSD.org> In-Reply-To: <010001744ab9e165-697ac7b1-e44a-4103-8843-5efb6ea871e6-000000@email.amazonses.com> References: <010001744ab9e165-697ac7b1-e44a-4103-8843-5efb6ea871e6-000000@email.amazonses.com>
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On 9/1/20 1:32 PM, Thomas Laus wrote: > Group: > > Whenever I perform a major upgrade to any of my ZFS pools, I make a > habit of sending the most recent snapshot to a file and then to a DLT > tape or DVD. I run the zstreamdump utility on the file and record the > checksum. I also run zstreamdump on the archive media and compare > checksums. With the recent ZFS upgrade in CURRENT, I could not locate > this utility. With a major upgrade such as this, I was really concerned > about not being able to boot and loosing everything on a production > system. Fortunately this upgrade went smoothly and I did not have to > restore from alternate media. The next time, I may not be lucky. > > Tom > zstreamdump is supposed to be a script wrapper around a new, more general, command: zstream #!/bin/sh zstream dump "$@" It doesn't appear to be installing itself properly, though. I'll have to look into that. -Ryan
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