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thowell
 Post subject:
PostPosted: Thu Feb 09, 2006 8:51 pm 
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Joined: Mon Jan 09, 2006 12:39 pm
Posts: 14
Thanks again for the suggestion.
Code:
root@mythtv:~# ls /myth
root@mythtv:~# lsmod |sort >before
root@mythtv:~# /etc/init.d/lvm restart
Shutting down LVM Volume Groups...
  No volume groups found
Setting up LVM Volume Groups...
  Reading all physical volumes.  This may take a while...
  Found volume group "vg" using metadata type lvm2
  1 logical volume(s) in volume group "vg" now active
root@mythtv:~# lsmod |sort >after
root@mythtv:~# diff before after
61c61
< sata_nv                 8196  0
---
> sata_nv                 8196  1


Code:
root@mythtv:~# cat after
8250                   22660  0
BusLogic               76564  0
Module                  Size  Used by
ac                      5508  0
af_packet              20616  0
agpgart                30416  1 nvidia
autofs4                17796  1
battery                10372  0
bt878                  10200  2 dvb_bt8xx,dst
btcx_risc               5896  1 bttv
bttv                  154000  2 dvb_bt8xx,bt878
budget                 10752  0
budget_av              14464  0
budget_ci              12288  0
budget_core             8836  3 budget_av,budget_ci,budget
button                  6928  0
container               5248  0
cx22700                 7044  1 dvb_ttusb_budget
cx24110                 8836  1 dvb_bt8xx
cx25840                26000  0
dst                    19332  2 dvb_bt8xx,dst_ca
dst_ca                 14848  1 dvb_bt8xx
dvb_bt8xx              11780  0
dvb_core               75304  9 ttusb_dec,dvb_ttusb_budget,budget_av,budget_ci,budget,budget_core,dvb_ttpci,dvb_bt8xx,dst_ca
dvb_ttpci              88004  0
dvb_ttusb_budget       30364  0
ehci_hcd               31368  0
evdev                   9088  0
fan                     5252  0
firmware_class          9728  15 lirc_pvr150,ivtv,ttusb_dec,dvb_ttusb_budget,budget_av,budget_ci,dvb_ttpci,sp8870,tda1004x,dvb_bt8xx,sp887x,or51211,bttv,cx25840,pcmcia
forcedeth              18304  0
i2c_algo_bit           10504  2 ivtv,bttv
i2c_core               19200  37 lirc_pvr150,ivtv,saa7115,msp3400,dvb_ttusb_budget,cx22700,budget_av,tda10021,budget_ci,budget,s5h1420,budget_core,dvb_ttpci,l64781,tda8083,stv0297,sp8870,ttpci_eeprom,mt312,tda1004x,ves1820,stv0299,ves1x93,dvb_bt8xx,nxt6000,mt352,sp887x,or51211,dst,cx24110,bttv,tda9887,wm8775,cx25840,tuner,tveeprom,i2c_algo_bit
ieee1394              299352  1 ohci1394
ipv6                  240128  12
ivtv                  207636  5 lirc_pvr150
l64781                  8452  2 budget,dvb_ttpci
lirc_dev               14852  1 lirc_pvr150
lirc_pvr150            18360  1
msp3400                32288  0
mt312                   8964  0
mt352                   7812  1 dvb_bt8xx
nvidia               3916572  12
nxt6000                 8580  1 dvb_bt8xx
ohci1394               32436  0
ohci_hcd               20484  0
or51211                11140  1 dvb_bt8xx
parport                32456  1 parport_pc
parport_pc             37444  0
pci_hotplug            27716  1 shpchp
pcmcia                 32808  0
pcmcia_core            36888  3 pcmcia,yenta_socket,rsrc_nonstatic
pcspkr                  5344  0
processor              23016  1 thermal
rsrc_nonstatic         12800  1 yenta_socket
rtc                    12088  0
s5h1420                 9860  1 budget
saa7115                16144  0
saa7146                16520  6 budget_av,budget_ci,budget,budget_core,dvb_ttpci,saa7146_vv
saa7146_vv             44672  2 budget_av,dvb_ttpci
sata_nv                 8196  1
serial_core            20096  1 8250
sg                     30496  0
shpchp                 91524  0
skge                   34832  0
snd                    49252  4 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_ac97_codec         76924  1 snd_intel8x0
snd_intel8x0           29760  0
snd_page_alloc          9348  2 snd_intel8x0,snd_pcm
snd_pcm                78212  2 snd_intel8x0,snd_ac97_codec
snd_timer              22660  1 snd_pcm
soundcore               9312  1 snd
sp8870                  8588  1 dvb_ttpci
sp887x                  8836  1 dvb_bt8xx
stv0297                 9216  1 dvb_ttpci
stv0299                11912  5 dvb_ttusb_budget,budget_av,budget_ci,budget,dvb_ttpci
tda10021                7684  1 budget_av
tda1004x               14724  3 dvb_ttusb_budget,budget_av,budget_ci
tda8083                 7044  3 dvb_ttusb_budget,budget,dvb_ttpci
tda9887                16528  0
thermal                12936  0
tmscsim                22976  0
tsdev                   7872  0
ttpci_eeprom            4352  2 budget_core,dvb_ttpci
ttusb_dec              22028  0
ttusbdecfe              4992  1 ttusb_dec
tuner                  24352  0
tveeprom               14380  1 bttv
uhci_hcd               31760  0
usb_storage            60608  0
usbcore               103932  7 ehci_hcd,ttusb_dec,dvb_ttusb_budget,usb_storage,ohci_hcd,uhci_hcd
v4l1_compat            14980  1 saa7146_vv
v4l2_common             6784  2 saa7146_vv,bttv
ves1820                 7172  3 dvb_ttusb_budget,budget,dvb_ttpci
ves1x93                 7940  2 budget,dvb_ttpci
video                  16260  0
video_buf              18948  2 saa7146_vv,bttv
videodev                9472  3 ivtv,saa7146_vv,bttv
wm8775                  6668  0
yenta_socket           22924  0
Top
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tjc
 Post subject:
PostPosted: Thu Feb 09, 2006 10:12 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
So my quick and dirty proof of concept approach would be to edit the lvm script in /etc/init.d and make sure it does a modprobe sata_nv before the lvm module.

There's even an obvious place for it right up front with the other modprobe calls.

After you make the change, reboot and see if it "just works".
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thowell
 Post subject:
PostPosted: Sat Feb 11, 2006 11:48 am 
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Joined: Mon Jan 09, 2006 12:39 pm
Posts: 14
That worked!!

tjc, thanks so much for taking the time to read through all of these post. My kids can now turn the box on and everything works.

The first 4 (non-comment) lines of my lvm script now read:
Code:
modprobe sata_nv >/dev/null 2>&1
modprobe lvm >/dev/null 2>&1
modprobe lvm-mod >/dev/null 2>&1
modprobe dm-mod >/dev/null 2>&1


Adding the modprobe sata_nv was the trick.

Thanks,
Tom
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abrendel
PostPosted: Thu Feb 23, 2006 7:07 pm 
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Joined: Tue Feb 21, 2006 10:55 am
Posts: 98
Ok, I had the same problem and these solutions (adding the modprobe into the lvm init script) almost solved my issues.

My problem is that I have one lvm vg that is on sata disks and another on pata disks. After doing this fix, my sata vg works just fine and is setup and mounted appropriatly.

The PATA ones still need configured manually. The odd thing is that if once I am booted, I can manually execute /etc/init.d/lvm start and it picks up the PATA based vg's. Why wouldn't it pick them up when lvm runs at boot up?

If I try and mount the volume after boot either with a mount -a or a specific mount command, I get:

mount: special device /dev/ide_vg/myth_tv_lv does not exist
mount: special device /dev/ide_vg/myth_video_lv does not exist

Then I do a /etc/init.d/lvm start and get:
root@mythbe01:/etc/init.d# /etc/init.d/lvm start
Setting up LVM Volume Groups...
Reading all physical volumes. This may take a while...
Found volume group "ide_vg" using metadata type lvm2
Found volume group "sata_vg" using metadata type lvm2
2 logical volume(s) in volume group "ide_vg" now active
3 logical volume(s) in volume group "sata_vg" now active

And then the mount -a works for all volumes.

Any ideas please? I am SOOO close to declaring my myth project a success. This is one of my last hurdles.
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timbarnes
 Post subject:
PostPosted: Tue Jun 06, 2006 8:29 am 
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Joined: Tue Feb 07, 2006 2:42 pm
Posts: 4
Just a note to say I had exactly the same problem with A30.2, went through exactly the same fruitless log search having decided there was a dependency problem.

Found this thread, and the suggested fix to /etc/init.d/lvm works for me.

thanks,
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timbarnes
 Post subject:
PostPosted: Sun Dec 17, 2006 11:31 am 
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Joined: Tue Feb 07, 2006 2:42 pm
Posts: 4
Hi,

After an HD failure I'm now on to R5D1.

I'm back at this thread because this problem still exists in R5D1 fyi.

cheers,
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tjc
 Post subject:
PostPosted: Sun Dec 17, 2006 12:09 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
I've added a note to the directions on the wiki.

Try to automate the addition of that line for all possible SCSI and SATA (not to mention USB or Firewire) controllers is a far bigger and nastier project.
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aa1979
 Post subject:
PostPosted: Wed Jan 03, 2007 12:01 am 
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Joined: Sat Feb 11, 2006 10:27 pm
Posts: 44
On the LVMHowTo wiki, the standard automated setup is a little unclear as to whether the data in the original /myth is retained. Can this be used to add a hard drive to a non-lvm setup without losing all the recordings? It's a little scary to see formatting the new /dev/vg/myth volume as step 4. Is this a stupid question? :(
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tjc
 Post subject:
PostPosted: Wed Jan 03, 2007 12:19 am 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
You're supposed to do it before there is any data on there. The initial LVM setup procedure will delete any existing data on the partition, which means you need to back it up elsewhere first.

The usual trick is to intervene at the Phase 1 Install -> Phase 2 Setup boundary by using Ctrl-Alt-F1 to flip to an alternate virtual console and log in as root there.
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