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パッチ名: PHCO_34266
パッチ摘要: s700_800 11.00 tztab(4)累積パッチ
作成日: 06/01/18
公開日: 06/03/13
再発行: 06/10/06
PHCO_34266での米国夏時間の変更は、環境変数TZを明示的に設定した場合に
のみ有効になることをパッチドキュメントの"解決方法"セクシションに明記
しました。
再発行: 07/01/31
このパッチで提供する/usr/lib/tztabファイル内の新たな時間帯規則をアク
ティブにする方法をこのパッチドキュメントの"Special Installation
Instructions"セクションに記載しました。
警告: 07/02/22 - これは、当社からの警告(Non-Criticalレベル)です。
- PHCO_34266は、2007年米国夏時間の変更を反映するように以下のtztab(4)エ
ントリを更新していませんでした。
AST10ADT
YST9YDT
- 置換パッチPHCO_34673およびPHCO_35991も、同じ時間帯の変更を反映するよ
うに一部のtztab(4)エントリを更新していませんでした。
- これらのパッチをインストールしても、これらの時間帯に関する新たな問題
が起きるわけではありません。単に、2007年米国夏時間の変更が、HPドキュ
メントの記載どおりにサポートされないだけです。米国夏時間の変更は2007
年に発効するため、これらのTZ変数を利用しているシステムでは、この変更
が反映されません。たとえば、以下の地域は、これらのtztab(4)エントリの
影響を受けるかもしれません。
AST10ADT -- Adak, Alaska
YST9YDT -- Nome, Alaska
- これらのパッチがインストールされていても新たな問題は起きないので、
これらのパッチを削除することはお勧めできません。ただし、上記のいずれ
かのtztab(4)エントリを利用している場合は、2007年米国夏時間の変更が正
しく認識されるように、新たなパッチをインストールする必要があります。
- 上記のtztab(4)エントリは、2007年3月7日までにはリリースする予定のパッ
チPHCO_36096で修正されます。
ハードウェアプラットフォームおよびOSリリース:
s700: 11.00
s800: 11.00
現象:
PHCO_34266:
1. オーストラリアの夏時間の変更に合わせてtztab(4)を変更する必要があり
ます。
2. 米国の時間帯の変更に合わせてtztab(4)を更新する必要があります。
問題点の説明:
PHCO_34266:
PHCO_34266:
1. 連邦大会が2006年にオーストラリアのメルボルンで開催されるため、2006
年の夏時間(DST)の適用期間が1週間だけシフトされます。
2. 米国政府の規定によると、2007年以降、夏時間の適用期間が3月の第2日曜
日から11月の第1日曜日までにシフトされます。
解決方法:
米国の時間帯およびオーストラリアの夏時間の変更に合わせてtztab(4)ファイ
ルを変更しました。
注記: 米国DSTの変更は、環境変数TZを設定した場合にのみ有効になります。
この要件は、デフォルトの時間帯EST5EDTの場合にも適用されます。
-----------------------------------------------------------------------------
Patch Name: PHCO_34266
Patch Description: s700_800 11.00 tztab(4) cumulative patch
Creation Date: 06/01/18
Post Date: 06/03/13
Repost: 06/10/06
The Resolution section of the patch documentation was
modified to clarify that the United States Daylight Savings
Time changes in PHCO_34266 will only take effect if the
TZ environment variable is explicitly set.
Repost: 07/01/31
The patch documentation was modified to add information
to the Special Installation Instructions section about
how to active the new timezone rules in the /usr/lib/tztab
file provided by this patch.
Warning: 07/02/22 - This Non-Critical Warning has been issued by HP.
- PHCO_34266 failed to include updated 2007 U.S. Daylight
Savings Time changes for the following tztab(4) entries:
AST10ADT
YST9YDT
- The same time zone changes were omitted from superseding
patches PHCO_34673 and PHCO_35991.
- Please note that the patches do not introduce any issues
for these time zones. The patches simply do not provide
the updated 2007 U.S. Daylight Savings Time changes as
documented by HP. Any systems utilizing one of these TZ
variables will not adjust for the U.S. Daylight Savings Time
changes due to go into effect in 2007. Examples of locations
that may be affected by these tztab(4) entries are:
AST10ADT -- Adak, Alaska
YST9YDT -- Nome, Alaska
- Since these patches do not introduce any new issues HP does
not recommend that they be removed if they are installed.
Only if one of the tztab(4) entries listed above is being
utilized will a new patch need to be installed to properly
recognize the 2007 U.S. Daylight Savings Time changes.
- The tztab(4) entries listed above will be corrected patch
PHCO_36096, which is expected to be released by March 7, 2007.
Hardware Platforms - OS Releases:
s700: 11.00
s800: 11.00
Products: N/A
Filesets:
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP
Automatic Reboot?: No
Status: General Superseded With Warnings
Critical: No
Category Tags:
defect_repair general_release
Path Name: /hp-ux_patches/s700_800/11.X/PHCO_34266
Symptoms:
PHCO_34266:
1. tztab(4) needs to be modified for Australian
Daylight Saving Changes.
2. tztab(4) needs to be updated for US time
zone changes.
PHCO_27528:
1. Tztab file requires to be updated due to change in
Mexico DST.
PHCO_24449:
The /usr/lib/tztab file doesn't have Timezone
definitions for newly changed Daylight Saving
Times for Mexico City.
PHCO_21688:
1. Timezone definitions for Australia,
Tasmania, New South Wales and Victoria
in /usr/lib/tztab are incorrect due to
new standards imposed for the Sydney
Olympics 2000.
2. Finnish timezone definitions in
/usr/lib/tztab are incorrect from 1996
onwards.
PHCO_18376:
1. /usr/lib/tztab contains bad DST
(Daylight Saving Time) info for
AST10ADT,YST9YDT.
2. /usr/lib/tztab has no daylight saving time
info for Russian Federation
3. Without this patch installed -
tztab will have wrong entry for Portuguese
Winter/Summer saving time.
PHCO_13331:
Without this patch installed -
tztab erroneously claims that South Africa
uses Daylight Savings Time.
Defect Description:
PHCO_34266:
1. For the Commonwealth games to be held in
Melbourne Australia in 2006, the Daylight
Saving Time (DST) is shifted by one week for
year 2006.
2. According to US government, the Daylight
Saving Time start and end is shifted to second
Sunday of March, and first Sunday of November,
respectively from year 2007 onwards.
Resolution :
tztab(4) file has been modified to reflect the
US time zone and Australian Daylight Saving Changes.
NOTE: The US DST changes will be in effect only when the TZ
environment variable is set. This requirement holds good
even for the default EST5EDT time zone as well.
PHCO_27528:
1.In 2002, Mexico reverted back to the old DST rules.
Due to changes in the daylight savings time
policy in Mexico in 2001, an entry was added
to /usr/lib/tztab: MXST6MXDT.
The changes are that, for 2001, certain parts of
Mexico start DST a month later (May vs. April), and
end DST a month earlier (September vs. October).
The changes made to tztab are as follows :
#Mexico City standard Time, Mexico City Daylight
Savings Time
MXST6MXDT
0 3 24-30 4 1970-1973 0 MXDT5
0 3 6 1 1974 0-6 MXDT5
0 3 22-28 2 1975 0 MXDT5
0 3 24-30 4 1976-1986 0 MXDT5
0 3 1-7 4 1987-2000 0 MXDT5
0 3 1-7 5 2001 0 MXDT5
0 3 1-7 4 2002-2038 0 MXDT5
0 1 25-31 10 1970-1973 0 MXST6
0 1 24-30 11 1974 0 MXST6
0 1 25-31 10 1975-2000 0 MXST6
0 1 24-30 9 2001 0 MXST6
0 1 25-31 10 2002-2038 0 MXST6
Resolution :
As Mexico reverted back to the old DST rules
tztab was changed to reflect the above mentioned
changes.
PHCO_24449:
Mexico city was following CST6CDT timezone
definitions. But from 2001 to 2038, daylight
saving times for Mexico city have been changed
which are different from CST6CDT.
Resolution:
The /usr/lib/tztab file has been modified to
add an entry MXST6MXDT for Mexico City which
are as below.
MXST6MXDT
0 3 24-30 4 1970-1973 0 MXDT5
0 3 6 1 1974 0-6 MXDT5
0 3 22-28 2 1975 0 MXDT5
0 3 24-30 4 1976-1986 0 MXDT5
0 3 1-7 4 1987-2000 0 MXDT5
0 3 1-7 5 2001-2038 0 MXDT5
0 1 25-31 10 1970-1973 0 MXST6
0 1 24-30 11 1974 0 MXST6
0 1 24-30 11 1975 0 MXST6
0 1 25-31 10 1976-2000 0 MXST6
0 1 24-30 9 2001-2038 0 MXST6
The changes reflect from year 2001 to 2038.
Remaining things are not altered and are
as per CST6CDT.
PHCO_21688:
1. Australian Eastern Standard Time, Australian
Eastern Daylight Time has to be changed so
as to have an earlier DST shift than usual
during the year 2000. The same change is
expected for Tasmania, New South Wales and
Victoria.
Resolution:
Changed /usr/lib/tztab definitions for
EST-10EDT, EST-10EDT#Tasmania, EST-10EDT#NSW
and EST-10EDT#VIC for the Sydney Olympics
2000 in Australia.
2. For Finland Standard Time, Finland Daylight
Time, the ending date of Daylight Savings Time
from 1996 onwards should be the last Sunday of
October.
Resolution:
Changed /usr/lib/tztab definitions for
EET-2EETDST so as to behave in the way as
suggested.
PHCO_18376:
1. /usr/lib/tztab contains bad information for
the Aleutian (AST10ADT) and Yukon(YST9YDT)
time zones.
2. Daylight Saving Time information for the Russian
Federation was missing.
3. Without this patch installed -
tztab will have wrong entry for Portuguese
Winter/Summer saving time.
Because of a new revision in the portuguese law,
a change is required in Portuguese Winter Time
and Portuguese Summer Time. The changes are
a. Change the time on entering PST-1 from
03/25-31/1983-2038 on Sunday at 03:00 to
03/25-31/1983-2038 on Sunday at 02:00.
b. Change the time on entering PWT0 from
09/24-30/1983-2038 on Sunday at 02:00 to
10/25-31/1983-2038 on Sunday at 01:00.
Resolution:
1. /usr/lib/tztab has the following changes:
The line:
0 3 24-30 4 1976-2038 0 ADT9
0 3 24-30 4 1976-2038 0 YDT8
are replaced by the following pairs of lines:
0 3 24-30 4 1976-1986 0 ADT9
0 3 1-7 4 1987-2038 0 ADT9
0 3 24-30 4 1976-1986 0 YDT8
0 3 1-7 4 1987-2038 0 YDT8
2. Added Daylight Saving timezone for Russian federation
to /usr/lib/tztab file.
3. The following changes are made in /usr/lib/tztab:
a. Change the time on entering PST-1 from
03/25-31/1983-2038 on Sunday at 03:00 to
03/25-31/1983-2038 on Sunday at 02:00.
b. Change the time on entering PWT0 from
09/24-30/1983-2038 on Sunday at 02:00 to
10/25-31/1983-2038 on Sunday at 01:00.
PHCO_13331:
South Africa never had DST (Daylight Savings Time)
although tztab has an entry "SAST-2SADT". This
information comes from customer living in South Africa.
So in this patch Daylight Savings Time is removed
in South Africa's entry.
Enhancement:
No
SR:
8606420796 8606411457 8606269224 8606188364 8606105823
8606134747 1653299693 1653280446 4701384743 1653209213
Patch Files:
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/usr/lib/tztab
/usr/newconfig/usr/lib/tztab
what(1) Output:
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/usr/lib/tztab:
$Revision: 80.4.1.14 $
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/usr/newconfig/usr/lib/tztab:
$Revision: 80.4.1.14 $
cksum(1) Output:
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
3994023255 14692 /usr/lib/tztab
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
3994023255 14692 /usr/newconfig/usr/lib/tztab
Patch Conflicts: None
Patch Dependencies: None
Hardware Dependencies: None
Other Dependencies: None
Supersedes:
PHCO_13331 PHCO_18376 PHCO_21688 PHCO_24449 PHCO_27528
Equivalent Patches: None
Patch Package Size: 40 KBytes
Installation Instructions:
Please review all instructions and the Hewlett-Packard
SupportLine User Guide or your Hewlett-Packard support terms
and conditions for precautions, scope of license,
restrictions, and, limitation of liability and warranties,
before installing this patch.
------------------------------------------------------------
1. Back up your system before installing a patch.
2. Login as root.
3. Copy the patch to the /tmp directory.
4. Move to the /tmp directory and unshar the patch:
cd /tmp
sh PHCO_34266
5. Run swinstall to install the patch:
swinstall -x autoreboot=true -x patch_match_target=true \
-s /tmp/PHCO_34266.depot
By default swinstall will archive the original software in
/var/adm/sw/save/PHCO_34266. If you do not wish to retain a
copy of the original software, include the patch_save_files
option in the swinstall command above:
-x patch_save_files=false
WARNING: If patch_save_files is false when a patch is installed,
the patch cannot be deinstalled. Please be careful
when using this feature.
For future reference, the contents of the PHCO_34266.text file is
available in the product readme:
swlist -l product -a readme -d @ /tmp/PHCO_34266.depot
To put this patch on a magnetic tape and install from the
tape drive, use the command:
dd if=/tmp/PHCO_34266.depot of=/dev/rmt/0m bs=2k
Special Installation Instructions: None
While it is not strictly required to reboot
the system after modifying the rules in the
/usr/lib/tztab file, running processes using
a timezone with a changed rule need to be
restarted to apply the new rules. Processes
like cron(1M), which depend on proper
interpretation of timestamps in the future,
should be restarted as soon as possible.
Processes that only timestamp messages should
be restarted before the changes take effect.
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