[SLE] DVD writing speed reported by dvd+rw-mediainfo

From: Alexandr Malusek (Alexandr.Malusek_at_imv.liu.se)
Date: 01/17/05

  • Next message: Christopher Carlen: "Re: [SLE] Recommendations for a DVD writer" 
    To: suse-linux-e@suse.com
Date: Mon, 17 Jan 2005 20:36:36 +0100

    Hi,

    Does dvd+rw-mediainfo (SUSE 9.2, dvd+rw-tools-5.21.4.10.8-2) provide
    reliable information? In my case, it reports:

    $ dvd+rw-mediainfo /dev/dvd
    INQUIRY: [PLEXTOR ][DVDR PX-712A ][1.05]
    GET [CURRENT] CONFIGURATION:
     Mounted Media: 1Bh, DVD+R
     Media ID: YUDEN000/T01
     Current Write Speed: 8.0x1385=11080KB/s
     Write Speed #0: 8.0x1385=11080KB/s
     Write Speed #1: 6.0x1385=8310KB/s
     Write Speed #2: 4.0x1385=5540KB/s
     Write Speed #3: 2.4x1385=3324KB/s
    GET [CURRENT] PERFORMANCE:
     Write Performance: 6.0x1385=8310KB/s@0 -> 8.0x1385=11080KB/s@2295103
     Speed Descriptor#0: 02/2295104 R@12.0x1385=16620KB/s W@8.0x1385=11080KB/s
     Speed Descriptor#1: 02/2295104 R@12.0x1385=16620KB/s W@6.0x1385=8310KB/s
     Speed Descriptor#2: 02/2295104 R@12.0x1385=16620KB/s W@4.0x1385=5540KB/s
     Speed Descriptor#3: 02/2295104 R@12.0x1385=16620KB/s W@2.4x1385=3324KB/s
    READ DISC INFORMATION:
     Disc status: blank
     Number of Sessions: 1
     State of Last Session: empty
     Number of Tracks: 1
    READ TRACK INFORMATION[#1]:
     Track State: blank
     Track Start Address: 0*2KB
     Next Writable Address: 0*2KB
     Free Blocks: 2295104*2KB
     Track Size: 2295104*2KB
    READ CAPACITY: 1*2048=2048

    for a blank 1-4x DVD+R, Maxell.

    Does it mean that the disk advertises the writing speed 8x? (See
    "Current Write Speed" above). The "auto speed" option in K3b resulted
    in the 8x speed, the burning was OK but the disk was not readable.
    When I forced the 4x speed then both the burning and reading was OK.

    What is wrong? (media, dvd+rw-mediainfo, DVD drive or K3b?) 

    --
A.M.
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  • Next message: Christopher Carlen: "Re: [SLE] Recommendations for a DVD writer"

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