Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Chris Murphy
On Sat, Feb 28, 2015 at 5:59 PM, James A. Peltier wrote: > There is no difference between a single disk system and a multi-disk system > in terms of being able to dynamically resize volumes that reside on a volume > group. Having the ability to resize a volume to be either larger or smaller >

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread James A. Peltier
- Original Message - | On Sat, Feb 28, 2015 at 4:28 PM, James A. Peltier wrote: | | > People who understand how to use the system do not suffer these problems. | > LVM adds a bit of complexity for a bit of extra benefits. You can't | > blame LVM for user error. Not having monitoring in

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Chris Murphy
On Sat, Feb 28, 2015 at 4:29 PM, Valeri Galtsev wrote: > You are implying that firmware of hardware RAID cards is somehow buggier > than software of software RAID plus Linux kernel (sorry if I > misinterpreted your point). "Drives, and hardware RAID cards are subject to firmware bugs, just as we

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Chris Murphy
On Sat, Feb 28, 2015 at 4:28 PM, James A. Peltier wrote: > People who understand how to use the system do not suffer these problems. > LVM adds a bit of complexity for a bit of extra benefits. You can't blame > LVM for user error. Not having monitoring in place or backups is a user > proble

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Valeri Galtsev
On Sat, February 28, 2015 4:22 pm, Chris Murphy wrote: > On Sat, Feb 28, 2015 at 1:26 PM, Valeri Galtsev > wrote: >> Indeed. That is why: no LVMs in my server room. Even no software RAID. >> Software RAID relies on the system itself to fulfill its RAID function; >> what if kernel panics before so

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread James A. Peltier
- Original Message - | On Fri, 27 Feb 2015 19:24:57 -0800 | John R Pierce wrote: | > On 2/27/2015 4:52 PM, Khemara Lyn wrote: | > > | > > What is the right way to recover the remaining PVs left? | > | > take a filing cabinet packed full of 10s of 1000s of files of 100s of | > pages each

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Chris Murphy
On Sat, Feb 28, 2015 at 1:26 PM, Valeri Galtsev wrote: > Indeed. That is why: no LVMs in my server room. Even no software RAID. > Software RAID relies on the system itself to fulfill its RAID function; > what if kernel panics before software RAID does its job? Hardware RAID > (for huge filesystems

Re: [CentOS] Looking for a life-save LVM Guru

2015-02-28 Thread Valeri Galtsev
On Fri, February 27, 2015 10:00 pm, Marko Vojinovic wrote: > On Fri, 27 Feb 2015 19:24:57 -0800 > John R Pierce wrote: >> On 2/27/2015 4:52 PM, Khemara Lyn wrote: >> > >> > What is the right way to recover the remaining PVs left? >> >> take a filing cabinet packed full of 10s of 1000s of files of

Re: [CentOS] Cyrus 2.4 and Centos6

2015-02-28 Thread Timothy Kesten
Am Freitag, 27. Februar 2015 16:38 schrieb Mike McCarthy, W1NR: > Is there a reason why you need 2.4 vs. the 2.3 package from the CentOS6 > repos? Using Outlook-Clients and need support of XLIST. AFAIK implemented in 2.4 Timothy ___ CentOS mailing list

Re: [CentOS] Odd nfs mount problem [SOLVED]

2015-02-28 Thread Louis Lagendijk
On Fri, 2015-02-27 at 16:46 -0500, m.r...@5-cent.us wrote: > m.r...@5-cent.us wrote: > > m.r...@5-cent.us wrote: > >> I'm exporting a directory, firewall's open on both machines (one CentOS > >> 6.6, the other RHEL 6.6), it automounts on the exporting machine, but > >> the > >> other server, not so

Re: [CentOS] OT: AF 4k sector drives with 512 emulation

2015-02-28 Thread Chris Murphy
On Sat, Feb 28, 2015 at 12:33 AM, Robert Arkiletian wrote: > According to this pdf [1] alignment is important but from what I understand > 512e emulation still has a small RMW performance hit from writes that are > smaller than 4k or if the writes are not a multiple of 4k. There shouldn't be writ