Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-31 Thread Stephen Wynne
On 01/29/2013 02:03 PM, Tim Evans wrote: Thanks to everyone for their replies. Excellent discussion, Tim. Thanks for bringing this up and coming back with such good arguments. Some of the objections I've seen on this thread: 1. LiveUpgrade takes too much CPU and disk space. Not if your system

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-29 Thread Tim Evans
On 01/28/2013 07:55 PM, Karanbir Singh wrote: On 01/28/2013 06:54 PM, Tim Evans wrote: It creates one or more alternate boot environment(s), then newfs's it, This is redundant on CentOS mounts it, copies the running system to it, then applies upgrades/patches to it. It does not touch the

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-29 Thread Rainer Duffner
Am 29.01.2013 um 20:03 schrieb Tim Evans tkev...@tkevans.com: Thanks to everyone for their replies. I suppose it's not possible in this forum to ask such a question and not get into religion. Kinda like the U.S. Congress. No one has yet shown how a byte-for-byte, fully redundant,

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-29 Thread Warren Young
On 1/29/2013 12:03, Tim Evans wrote: I suppose it's not possible in this forum to ask such a question and not get into religion. Kinda like the U.S. Congress. Um. Yes. shakes head to clear the loony I know you think you're asking for an additional freedom that you feel CentOS doesn't

[CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread Tim Evans
Does anyone know of any sort of Linux utility that does something like what Solaris' Live Upgrade (http://docs.oracle.com/cd/E19455-01/806-7933/index.html) does? In my past life as a Solaris sys-admin, I found this an extremely useful tool for upgrading and patching running systems, as well as

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread James A. Peltier
- Original Message - | Does anyone know of any sort of Linux utility that does something | like | what Solaris' Live Upgrade | (http://docs.oracle.com/cd/E19455-01/806-7933/index.html) does? | | In my past life as a Solaris sys-admin, I found this an extremely | useful | tool for

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread xrx
On 01/28/13 21:27, James A. Peltier wrote: - Original Message - | Does anyone know of any sort of Linux utility that does something | like | what Solaris' Live Upgrade | (http://docs.oracle.com/cd/E19455-01/806-7933/index.html) does? | | In my past life as a Solaris sys-admin, I

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread Tim Evans
On 01/28/2013 01:05 PM, xrx wrote: On 01/28/13 21:27, James A. Peltier wrote: - Original Message - | Does anyone know of any sort of Linux utility that does something | like | what Solaris' Live Upgrade | (http://docs.oracle.com/cd/E19455-01/806-7933/index.html) does? | | In my

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread xrx
On 01/28/13 22:14, Tim Evans wrote: On 01/28/2013 01:05 PM, xrx wrote: On 01/28/13 21:27, James A. Peltier wrote: - Original Message - | Does anyone know of any sort of Linux utility that does something | like | what Solaris' Live Upgrade |

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread m . roth
Tim Evans wrote: On 01/28/2013 01:05 PM, xrx wrote: On 01/28/13 21:27, James A. Peltier wrote: | Does anyone know of any sort of Linux utility that does something | like what Solaris' Live Upgrade | (http://docs.oracle.com/cd/E19455-01/806-7933/index.html) does? snip Nothing really until

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread Tim Evans
On 01/28/2013 01:20 PM, xrx wrote: On 01/28/13 22:14, Tim Evans wrote: On 01/28/2013 01:05 PM, xrx wrote: On 01/28/13 21:27, James A. Peltier wrote: - Original Message - | Does anyone know of any sort of Linux utility that does something | like | what Solaris' Live Upgrade |

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread xrx
On 01/28/13 22:54, Tim Evans wrote: On 01/28/2013 01:20 PM, xrx wrote: On 01/28/13 22:14, Tim Evans wrote: On 01/28/2013 01:05 PM, xrx wrote: On 01/28/13 21:27, James A. Peltier wrote: - Original Message - | Does anyone know of any sort of Linux utility that does something | like |

Re: [CentOS] Anything Like Solaris' Live Upgrade?

2013-01-28 Thread Karanbir Singh
On 01/28/2013 06:54 PM, Tim Evans wrote: It creates one or more alternate boot environment(s), then newfs's it, This is redundant on CentOS mounts it, copies the running system to it, then applies upgrades/patches to it. It does not touch the running environment not true, you have severe