On Sunday, February 08, 2015 02:58:52 PM Bob Proulx wrote: > Gene Heskett wrote: > > Bob Proulx wrote: > > > You might want to use parted for alignment checks. > > > > > >... > > > > > > root@phobia:~# parted /dev/sda align-check opt 1 > > > 1 aligned > > > root@phobia:~# parted /dev/sda align-check opt 5 > > > 5 aligned > > > > > > root@turmoil:~# parted /dev/sda align-check opt 1 > > > 1 not aligned > > > > Had to install it, but it agrees, although the last example you show is > > confusing, Here I get the 2 not aligned, but your paste says 1. > > You should be ignoring partition 2. You aren't using it. It is the > extended partition which holds your next logical partition. > > I was showing example usage of the tool and showing it returning > results both positive and negative for the example. My partition 1 is > unrelated to your partition 2 as they are different systems. Notice > the machine names are names of machines on my network and not in any > way related to your system. Unless by happenstance you and I chose > the same system names. :-) > > You should try 'cfdisk' and look at what it displays. Here is an > example of the cfdisk output from a system here. > > # cfdisk > > Name Flags Part Type FS Type [Label] > Sectors > ------------------------------------------------------------------------ > ------ Primary Free Space 2048* sda1 > Primary linux_raid_m 997376* Pri/Log > Free Space 2046* sda5 NC > Logical linux_raid_m 488280066* > > Note that it doesn't display sda2. If you had been using cfdisk > instead of fdisk you would never even have seen sda2 and therefore > would not have noticed it. I think the cfdisk folks made a good > design choice there. It is there as an extended partition. But > cfdisk does not display it. Because it isn't used as such. It is the > way to encapulate logical partitions that you do use. > > # parted /dev/sda unit s print > > Number Start End Size Type File system > Flags 1 2048s 999423s 997376s primary ext2 > raid 2 1001470s 3907028991s 3906027522s extended > 5 1001472s 489281535s 488280064s logical > raid > > That is the same system and a different dump of the same partition table. > > I have always really liked using cfdisk in the past. I hope it gets > some love and attention to keep up to date with new formats too. Oh, > maybe it is getting attention because when I look at a newer system I > see this: > > # cfdisk (in Sid today) > > Device Boot Start End Sectors Size Id Type > /dev/sda1 63 996029 995967 486.3M fd Linux > raid autod /dev/sda2 996030 1953520064 1952524035 931G 5 > Extended > > |-/dev/sda5 996093 489275639 488279547 232.8G fd Linux > |raid autod -/dev/sda6 489275703 1114268399 624992697 > |298G fd Linux raid autod > > `-/dev/sda7 1114268463 1953520064 839251602 400.2G fd Linux > raid autod > > I see cfdisk is now showing the partitions in a tree display. This is > an older system that has been upgraded through many major releases and > it is showing that it is older 512 byte alignment. > > > 1. So it seems I have been barking at the moon. > > Yes. :-( > > > But my first install on one of these new 4k/sector drives suffered > > from 20 meg a second drive performance, so I was an early victim. > > Very likely if you were using an older installer that didn't know > about the new 4k AF drives. That older software would have > partitioned things as they were done before. That was a problem for > all installers when the new 4k AF drives first appeared because none > of the installers had code to handle it until later. Of course that > would have had nothing to do with the Debian Wheezy 7 installer. > > > A Mandrake install IIRC. I liked it, but then they went toes up. So > > at that point I went back to the same install I am using on my cnc > > machines so that I could write gcode from a warm comfy chair as > > apposed to standing up at the keyboards of those machines. > > > > Now this install is compatible with those, I share all 3 machines with > > each other via nfs to move code, and with an rt-pre-empt kermel I can > > at least run the simulation to check the correctness of my code while > > carving imaginary air. > > It sounds like you have been having fun. Note however that none of > those things have anything to do with the Debian Wheezy 7 installer > that you have been complaining about here in this thread. > > > I have other problems that I may ask about, but lets put a ~30~ on > > this thread > > If ~30~ means stop complaining in this thread about the Debian Wheezy > 7 installer not being able to handle AF 4k drives then yes let's do > that. :-) Ah, no. The ~30~ on the end of a message is newspaper speak for the end. Of this thread. :) That probably dates me. :)
> > > 2. I am finally having a conversation with somene who does appear to be > > familiar with the subject/problem, > > There is no substitute for face to face conversation with friendly and > knowledgeable people. With emphasis on the knowledgeable part. The > sales people in Best Buy are friendly. But I stick my fingers in my > ears and hum when I walk around there to avoid the anti-knowledgeable > part. Finding a local user group or other gathering is a way way to > get shared knowledge from the community. When face to face > misconceptions can be seen and addressed more easily. I definitely > recommend people get with user groups for real life conversations. > > > and I thank you very much, Bob. > > Happy to help. > > Bob Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/201502081600.46216.ghesk...@wdtv.com