Discuss March 2015

discuss@lists.centos.org

172 participants
172 discussions

scp -rp behavior
by Mark LaPierre 02 Mar '15

02 Mar '15

Hey all, I'm trying to copy configuration files from my old CentOS 6.6 32 bit machine to my new CentOS 6.6 64 bit machine. On my 32 bit machine: [mlapier@mushroom ~]$ ifconfig eth0 Link encap:Ethernet HWaddr 00:19:DB:E5:4E:9F inet addr:192.168.15.105 When I issue this command on my new 64 bit machine, 192.168.15.101: scp -pr mlapier(a)192.168.15.105: /home/mlapier/.thunderbird /home/mlapier/.thunderbird It copies all directories and files in 192.168.15.105: /home/mlapier/ to 192.168.15.101: /home/mlapier. I don't want all that, I just want the .thunderbird folder and all it's contents. The user and group account numbers match on the two machines for this user so that's not the issue. When I RTFM this is what I thought it said to do. I'm I misreading the FM or is something weird going on here? -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ ****

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Re: [CentOS] mdraid vs hardware raid, was: Looking for a life-save LVM Guru
by Chris Murphy 01 Mar '15

01 Mar '15

On Sat, Feb 28, 2015 at 5:14 PM, Chris Murphy <lists(a)colorremedies.com> wrote: > "Drives, and hardware RAID cards are subject to firmware bugs, just as > we have software bugs in the kernel." makes no assessment of how > common such bugs are relative to each other. I don't want to underestimate the value of good hardware RAID with BBWC implementations when it comes to avoiding problems that aren't bugs, but are "just the way things are." For example unclean shutdowns, and especially unclean shutdowns along with a device failure. There's a metric ton of really useful information in the man 4 md page that most people probably aren't aware of because they usually read the mdadm page. http://linux.die.net/man/4/md Relevant in this case is the Unclean Shutdown section. It's completely rational for people to think, hmmm, maybe I'd rather get a hardware RAID card that supports BBWC to avoid some of these problems? Plus then you get to use no barriers, resyncs and degraded operation can have much lower performance penalty, etc. -- Chris Murphy

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Discuss March 2015